Home / 1,521,000.10-2,281,500.15-574,401.70

Finding the Fourth Proportional to 1,521,000.10, 2,281,500.15 and 574,401.70

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Solution

The fourth proportional to 1,521,000.10, 2,281,500.15 and 574,401.70 is: 861,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,000.10 : 2,281,500.15 = 574,401.70 : x
  2. Step 2: Convert to fraction form
    1,521,000.10/2,281,500.15 = 574,401.70/x
  3. Step 3: Cross multiply
    1,521,000.10x = 2,281,500.15 × 574,401.70
  4. Step 4: Simplify right side
    1,521,000.10x = 1,310,497,564,710.25
  5. Step 5: Solve for x
    x = 1,310,497,564,710.25/1,521,000.10
  6. Step 6: Final answer
    x = 861,602.55

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1.5x scale

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.