Home / 1,358,221.60-2,037,332.40-411,469.30

Finding the Fourth Proportional to 1,358,221.60, 2,037,332.40 and 411,469.30

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Solution

The fourth proportional to 1,358,221.60, 2,037,332.40 and 411,469.30 is: 617,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,221.60 : 2,037,332.40 = 411,469.30 : x
  2. Step 2: Convert to fraction form
    1,358,221.60/2,037,332.40 = 411,469.30/x
  3. Step 3: Cross multiply
    1,358,221.60x = 2,037,332.40 × 411,469.30
  4. Step 4: Simplify right side
    1,358,221.60x = 838,299,736,495.32
  5. Step 5: Solve for x
    x = 838,299,736,495.32/1,358,221.60
  6. Step 6: Final answer
    x = 617,203.95

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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.