Home / 1,139,387.76-1,706,827.32-926,393.40

Finding the Fourth Proportional to 1,139,387.76, 1,706,827.32 and 926,393.40

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Solution

The fourth proportional to 1,139,387.76, 1,706,827.32 and 926,393.40 is: 1,387,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,387.76 : 1,706,827.32 = 926,393.40 : x
  2. Step 2: Convert to fraction form
    1,139,387.76/1,706,827.32 = 926,393.40/x
  3. Step 3: Cross multiply
    1,139,387.76x = 1,706,827.32 × 926,393.40
  4. Step 4: Simplify right side
    1,139,387.76x = 1,581,193,564,187.69
  5. Step 5: Solve for x
    x = 1,581,193,564,187.69/1,139,387.76
  6. Step 6: Final answer
    x = 1,387,757.20

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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.