Home / 1,000,130.18-1,500,650.69-423,911.39

Finding the Fourth Proportional to 1,000,130.18, 1,500,650.69 and 423,911.39

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Solution

The fourth proportional to 1,000,130.18, 1,500,650.69 and 423,911.39 is: 636,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,130.18 : 1,500,650.69 = 423,911.39 : x
  2. Step 2: Convert to fraction form
    1,000,130.18/1,500,650.69 = 423,911.39/x
  3. Step 3: Cross multiply
    1,000,130.18x = 1,500,650.69 × 423,911.39
  4. Step 4: Simplify right side
    1,000,130.18x = 636,142,910,279.55
  5. Step 5: Solve for x
    x = 636,142,910,279.55/1,000,130.18
  6. Step 6: Final answer
    x = 636,060.11

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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.