Home / 1,007,994.13-1,391,031.28-555,285.13

Finding the Fourth Proportional to 1,007,994.13, 1,391,031.28 and 555,285.13

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Solution

The fourth proportional to 1,007,994.13, 1,391,031.28 and 555,285.13 is: 766,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,994.13 : 1,391,031.28 = 555,285.13 : x
  2. Step 2: Convert to fraction form
    1,007,994.13/1,391,031.28 = 555,285.13/x
  3. Step 3: Cross multiply
    1,007,994.13x = 1,391,031.28 × 555,285.13
  4. Step 4: Simplify right side
    1,007,994.13x = 772,418,985,148.87
  5. Step 5: Solve for x
    x = 772,418,985,148.87/1,007,994.13
  6. Step 6: Final answer
    x = 766,293.14

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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.