Home / 1,154,890.50-1,732,306.59-313,420.38

Finding the Fourth Proportional to 1,154,890.50, 1,732,306.59 and 313,420.38

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Solution

The fourth proportional to 1,154,890.50, 1,732,306.59 and 313,420.38 is: 470,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,890.50 : 1,732,306.59 = 313,420.38 : x
  2. Step 2: Convert to fraction form
    1,154,890.50/1,732,306.59 = 313,420.38/x
  3. Step 3: Cross multiply
    1,154,890.50x = 1,732,306.59 × 313,420.38
  4. Step 4: Simplify right side
    1,154,890.50x = 542,940,189,714.30
  5. Step 5: Solve for x
    x = 542,940,189,714.30/1,154,890.50
  6. Step 6: Final answer
    x = 470,122.66

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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.