Home / 1,501,465.86-2,071,997.28-813,132.12

Finding the Fourth Proportional to 1,501,465.86, 2,071,997.28 and 813,132.12

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Solution

The fourth proportional to 1,501,465.86, 2,071,997.28 and 813,132.12 is: 1,122,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,465.86 : 2,071,997.28 = 813,132.12 : x
  2. Step 2: Convert to fraction form
    1,501,465.86/2,071,997.28 = 813,132.12/x
  3. Step 3: Cross multiply
    1,501,465.86x = 2,071,997.28 × 813,132.12
  4. Step 4: Simplify right side
    1,501,465.86x = 1,684,807,536,854.97
  5. Step 5: Solve for x
    x = 1,684,807,536,854.97/1,501,465.86
  6. Step 6: Final answer
    x = 1,122,108.46

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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.