Home / 1,438,468.66-1,983,965.16-922,271.86

Finding the Fourth Proportional to 1,438,468.66, 1,983,965.16 and 922,271.86

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Solution

The fourth proportional to 1,438,468.66, 1,983,965.16 and 922,271.86 is: 1,272,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,468.66 : 1,983,965.16 = 922,271.86 : x
  2. Step 2: Convert to fraction form
    1,438,468.66/1,983,965.16 = 922,271.86/x
  3. Step 3: Cross multiply
    1,438,468.66x = 1,983,965.16 × 922,271.86
  4. Step 4: Simplify right side
    1,438,468.66x = 1,829,755,238,288.40
  5. Step 5: Solve for x
    x = 1,829,755,238,288.40/1,438,468.66
  6. Step 6: Final answer
    x = 1,272,016.06

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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.