Home / 1,547,520.30-2,321,280.45-980,649.90

Finding the Fourth Proportional to 1,547,520.30, 2,321,280.45 and 980,649.90

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Solution

The fourth proportional to 1,547,520.30, 2,321,280.45 and 980,649.90 is: 1,470,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,520.30 : 2,321,280.45 = 980,649.90 : x
  2. Step 2: Convert to fraction form
    1,547,520.30/2,321,280.45 = 980,649.90/x
  3. Step 3: Cross multiply
    1,547,520.30x = 2,321,280.45 × 980,649.90
  4. Step 4: Simplify right side
    1,547,520.30x = 2,276,363,441,164.46
  5. Step 5: Solve for x
    x = 2,276,363,441,164.46/1,547,520.30
  6. Step 6: Final answer
    x = 1,470,974.85

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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.