Home / 999,712.60-1,499,631.20-400,595.92

Finding the Fourth Proportional to 999,712.60, 1,499,631.20 and 400,595.92

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Solution

The fourth proportional to 999,712.60, 1,499,631.20 and 400,595.92 is: 600,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,712.60 : 1,499,631.20 = 400,595.92 : x
  2. Step 2: Convert to fraction form
    999,712.60/1,499,631.20 = 400,595.92/x
  3. Step 3: Cross multiply
    999,712.60x = 1,499,631.20 × 400,595.92
  4. Step 4: Simplify right side
    999,712.60x = 600,746,140,224.70
  5. Step 5: Solve for x
    x = 600,746,140,224.70/999,712.60
  6. Step 6: Final answer
    x = 600,918.84

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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.