Home / 1,015,990.70-1,402,050.92-557,109.23

Finding the Fourth Proportional to 1,015,990.70, 1,402,050.92 and 557,109.23

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Solution

The fourth proportional to 1,015,990.70, 1,402,050.92 and 557,109.23 is: 768,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,990.70 : 1,402,050.92 = 557,109.23 : x
  2. Step 2: Convert to fraction form
    1,015,990.70/1,402,050.92 = 557,109.23/x
  3. Step 3: Cross multiply
    1,015,990.70x = 1,402,050.92 × 557,109.23
  4. Step 4: Simplify right side
    1,015,990.70x = 781,095,507,714.83
  5. Step 5: Solve for x
    x = 781,095,507,714.83/1,015,990.70
  6. Step 6: Final answer
    x = 768,801.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.