Home / 1,087,491.60-1,631,820.60-456,469.20

Finding the Fourth Proportional to 1,087,491.60, 1,631,820.60 and 456,469.20

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Solution

The fourth proportional to 1,087,491.60, 1,631,820.60 and 456,469.20 is: 684,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,491.60 : 1,631,820.60 = 456,469.20 : x
  2. Step 2: Convert to fraction form
    1,087,491.60/1,631,820.60 = 456,469.20/x
  3. Step 3: Cross multiply
    1,087,491.60x = 1,631,820.60 × 456,469.20
  4. Step 4: Simplify right side
    1,087,491.60x = 744,875,843,825.52
  5. Step 5: Solve for x
    x = 744,875,843,825.52/1,087,491.60
  6. Step 6: Final answer
    x = 684,948.60

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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.