Home / 1,343,959.40-2,015,939.10-397,339.40

Finding the Fourth Proportional to 1,343,959.40, 2,015,939.10 and 397,339.40

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Solution

The fourth proportional to 1,343,959.40, 2,015,939.10 and 397,339.40 is: 596,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,959.40 : 2,015,939.10 = 397,339.40 : x
  2. Step 2: Convert to fraction form
    1,343,959.40/2,015,939.10 = 397,339.40/x
  3. Step 3: Cross multiply
    1,343,959.40x = 2,015,939.10 × 397,339.40
  4. Step 4: Simplify right side
    1,343,959.40x = 801,012,032,430.54
  5. Step 5: Solve for x
    x = 801,012,032,430.54/1,343,959.40
  6. Step 6: Final answer
    x = 596,009.10

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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.