Home / 1,431,868.32-1,975,925.14-787,250.16

Finding the Fourth Proportional to 1,431,868.32, 1,975,925.14 and 787,250.16

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Solution

The fourth proportional to 1,431,868.32, 1,975,925.14 and 787,250.16 is: 1,086,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,868.32 : 1,975,925.14 = 787,250.16 : x
  2. Step 2: Convert to fraction form
    1,431,868.32/1,975,925.14 = 787,250.16/x
  3. Step 3: Cross multiply
    1,431,868.32x = 1,975,925.14 × 787,250.16
  4. Step 4: Simplify right side
    1,431,868.32x = 1,555,547,382,613.02
  5. Step 5: Solve for x
    x = 1,555,547,382,613.02/1,431,868.32
  6. Step 6: Final answer
    x = 1,086,376.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.