Home / 1,005,865.95-1,387,990.04-576,164.19

Finding the Fourth Proportional to 1,005,865.95, 1,387,990.04 and 576,164.19

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Solution

The fourth proportional to 1,005,865.95, 1,387,990.04 and 576,164.19 is: 795,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,865.95 : 1,387,990.04 = 576,164.19 : x
  2. Step 2: Convert to fraction form
    1,005,865.95/1,387,990.04 = 576,164.19/x
  3. Step 3: Cross multiply
    1,005,865.95x = 1,387,990.04 × 576,164.19
  4. Step 4: Simplify right side
    1,005,865.95x = 799,710,154,243.85
  5. Step 5: Solve for x
    x = 799,710,154,243.85/1,005,865.95
  6. Step 6: Final answer
    x = 795,046.45

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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.