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Finding the Fourth Proportional to 999,701.60, 1,499,552.40 and 903,279.20

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Solution

The fourth proportional to 999,701.60, 1,499,552.40 and 903,279.20 is: 1,354,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,701.60 : 1,499,552.40 = 903,279.20 : x
  2. Step 2: Convert to fraction form
    999,701.60/1,499,552.40 = 903,279.20/x
  3. Step 3: Cross multiply
    999,701.60x = 1,499,552.40 × 903,279.20
  4. Step 4: Simplify right side
    999,701.60x = 1,354,514,492,230.08
  5. Step 5: Solve for x
    x = 1,354,514,492,230.08/999,701.60
  6. Step 6: Final answer
    x = 1,354,918.80

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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.