Home / 1,036,139.90-1,554,261.05-538,475.90

Finding the Fourth Proportional to 1,036,139.90, 1,554,261.05 and 538,475.90

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Solution

The fourth proportional to 1,036,139.90, 1,554,261.05 and 538,475.90 is: 807,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,139.90 : 1,554,261.05 = 538,475.90 : x
  2. Step 2: Convert to fraction form
    1,036,139.90/1,554,261.05 = 538,475.90/x
  3. Step 3: Cross multiply
    1,036,139.90x = 1,554,261.05 × 538,475.90
  4. Step 4: Simplify right side
    1,036,139.90x = 836,932,117,733.70
  5. Step 5: Solve for x
    x = 836,932,117,733.70/1,036,139.90
  6. Step 6: Final answer
    x = 807,740.46

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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.