Home / 931,439.40-1,397,159.10-931,439.40

Finding the Fourth Proportional to 931,439.40, 1,397,159.10 and 931,439.40

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Solution

The fourth proportional to 931,439.40, 1,397,159.10 and 931,439.40 is: 1,397,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,439.40 : 1,397,159.10 = 931,439.40 : x
  2. Step 2: Convert to fraction form
    931,439.40/1,397,159.10 = 931,439.40/x
  3. Step 3: Cross multiply
    931,439.40x = 1,397,159.10 × 931,439.40
  4. Step 4: Simplify right side
    931,439.40x = 1,301,369,033,808.54
  5. Step 5: Solve for x
    x = 1,301,369,033,808.54/931,439.40
  6. Step 6: Final answer
    x = 1,397,159.10

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Double scale
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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.