Home / 917,999.55-1,376,999.33-899,337.15

Finding the Fourth Proportional to 917,999.55, 1,376,999.33 and 899,337.15

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Solution

The fourth proportional to 917,999.55, 1,376,999.33 and 899,337.15 is: 1,349,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,999.55 : 1,376,999.33 = 899,337.15 : x
  2. Step 2: Convert to fraction form
    917,999.55/1,376,999.33 = 899,337.15/x
  3. Step 3: Cross multiply
    917,999.55x = 1,376,999.33 × 899,337.15
  4. Step 4: Simplify right side
    917,999.55x = 1,238,386,648,497.42
  5. Step 5: Solve for x
    x = 1,238,386,648,497.42/917,999.55
  6. Step 6: Final answer
    x = 1,349,005.73

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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.