Home / 999,063.40-1,498,595.10-663,140.20

Finding the Fourth Proportional to 999,063.40, 1,498,595.10 and 663,140.20

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Solution

The fourth proportional to 999,063.40, 1,498,595.10 and 663,140.20 is: 994,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,063.40 : 1,498,595.10 = 663,140.20 : x
  2. Step 2: Convert to fraction form
    999,063.40/1,498,595.10 = 663,140.20/x
  3. Step 3: Cross multiply
    999,063.40x = 1,498,595.10 × 663,140.20
  4. Step 4: Simplify right side
    999,063.40x = 993,778,654,333.02
  5. Step 5: Solve for x
    x = 993,778,654,333.02/999,063.40
  6. Step 6: Final answer
    x = 994,710.30

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Similar ratio
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1.5x scale

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.