Home / 1,453,103.60-2,180,122.56-442,421.30

Finding the Fourth Proportional to 1,453,103.60, 2,180,122.56 and 442,421.30

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Solution

The fourth proportional to 1,453,103.60, 2,180,122.56 and 442,421.30 is: 663,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,103.60 : 2,180,122.56 = 442,421.30 : x
  2. Step 2: Convert to fraction form
    1,453,103.60/2,180,122.56 = 442,421.30/x
  3. Step 3: Cross multiply
    1,453,103.60x = 2,180,122.56 × 442,421.30
  4. Step 4: Simplify right side
    1,453,103.60x = 964,532,657,154.53
  5. Step 5: Solve for x
    x = 964,532,657,154.53/1,453,103.60
  6. Step 6: Final answer
    x = 663,774.18

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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.