Home / 1,397,287.40-2,095,931.10-400,015.40

Finding the Fourth Proportional to 1,397,287.40, 2,095,931.10 and 400,015.40

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Solution

The fourth proportional to 1,397,287.40, 2,095,931.10 and 400,015.40 is: 600,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,287.40 : 2,095,931.10 = 400,015.40 : x
  2. Step 2: Convert to fraction form
    1,397,287.40/2,095,931.10 = 400,015.40/x
  3. Step 3: Cross multiply
    1,397,287.40x = 2,095,931.10 × 400,015.40
  4. Step 4: Simplify right side
    1,397,287.40x = 838,404,717,338.94
  5. Step 5: Solve for x
    x = 838,404,717,338.94/1,397,287.40
  6. Step 6: Final answer
    x = 600,023.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.