Home / 1,139,695.41-1,572,818.51-649,737.38

Finding the Fourth Proportional to 1,139,695.41, 1,572,818.51 and 649,737.38

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Solution

The fourth proportional to 1,139,695.41, 1,572,818.51 and 649,737.38 is: 896,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,695.41 : 1,572,818.51 = 649,737.38 : x
  2. Step 2: Convert to fraction form
    1,139,695.41/1,572,818.51 = 649,737.38/x
  3. Step 3: Cross multiply
    1,139,695.41x = 1,572,818.51 × 649,737.38
  4. Step 4: Simplify right side
    1,139,695.41x = 1,021,918,983,459.29
  5. Step 5: Solve for x
    x = 1,021,918,983,459.29/1,139,695.41
  6. Step 6: Final answer
    x = 896,659.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.