Home / 1,487,646.81-2,052,909.50-843,126.57

Finding the Fourth Proportional to 1,487,646.81, 2,052,909.50 and 843,126.57

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Solution

The fourth proportional to 1,487,646.81, 2,052,909.50 and 843,126.57 is: 1,163,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,646.81 : 2,052,909.50 = 843,126.57 : x
  2. Step 2: Convert to fraction form
    1,487,646.81/2,052,909.50 = 843,126.57/x
  3. Step 3: Cross multiply
    1,487,646.81x = 2,052,909.50 × 843,126.57
  4. Step 4: Simplify right side
    1,487,646.81x = 1,730,862,541,039.78
  5. Step 5: Solve for x
    x = 1,730,862,541,039.78/1,487,646.81
  6. Step 6: Final answer
    x = 1,163,490.24

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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.