Home / 1,064,849.22-1,471,046.47-921,360.15

Finding the Fourth Proportional to 1,064,849.22, 1,471,046.47 and 921,360.15

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Solution

The fourth proportional to 1,064,849.22, 1,471,046.47 and 921,360.15 is: 1,272,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,849.22 : 1,471,046.47 = 921,360.15 : x
  2. Step 2: Convert to fraction form
    1,064,849.22/1,471,046.47 = 921,360.15/x
  3. Step 3: Cross multiply
    1,064,849.22x = 1,471,046.47 × 921,360.15
  4. Step 4: Simplify right side
    1,064,849.22x = 1,355,363,593,952.77
  5. Step 5: Solve for x
    x = 1,355,363,593,952.77/1,064,849.22
  6. Step 6: Final answer
    x = 1,272,822.08

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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.