Home / 1,000,915.85-1,381,264.58-542,030.92

Finding the Fourth Proportional to 1,000,915.85, 1,381,264.58 and 542,030.92

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Solution

The fourth proportional to 1,000,915.85, 1,381,264.58 and 542,030.92 is: 748,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,915.85 : 1,381,264.58 = 542,030.92 : x
  2. Step 2: Convert to fraction form
    1,000,915.85/1,381,264.58 = 542,030.92/x
  3. Step 3: Cross multiply
    1,000,915.85x = 1,381,264.58 × 542,030.92
  4. Step 4: Simplify right side
    1,000,915.85x = 748,688,108,962.73
  5. Step 5: Solve for x
    x = 748,688,108,962.73/1,000,915.85
  6. Step 6: Final answer
    x = 748,003.05

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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.