Home / 1,406,708.16-1,941,259.14-762,128.38

Finding the Fourth Proportional to 1,406,708.16, 1,941,259.14 and 762,128.38

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Solution

The fourth proportional to 1,406,708.16, 1,941,259.14 and 762,128.38 is: 1,051,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,708.16 : 1,941,259.14 = 762,128.38 : x
  2. Step 2: Convert to fraction form
    1,406,708.16/1,941,259.14 = 762,128.38/x
  3. Step 3: Cross multiply
    1,406,708.16x = 1,941,259.14 × 762,128.38
  4. Step 4: Simplify right side
    1,406,708.16x = 1,479,488,683,528.39
  5. Step 5: Solve for x
    x = 1,479,488,683,528.39/1,406,708.16
  6. Step 6: Final answer
    x = 1,051,738.18

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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.