Home / 993,917.40-1,489,345.20-740,006.70

Finding the Fourth Proportional to 993,917.40, 1,489,345.20 and 740,006.70

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Solution

The fourth proportional to 993,917.40, 1,489,345.20 and 740,006.70 is: 1,108,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,917.40 : 1,489,345.20 = 740,006.70 : x
  2. Step 2: Convert to fraction form
    993,917.40/1,489,345.20 = 740,006.70/x
  3. Step 3: Cross multiply
    993,917.40x = 1,489,345.20 × 740,006.70
  4. Step 4: Simplify right side
    993,917.40x = 1,102,125,426,612.84
  5. Step 5: Solve for x
    x = 1,102,125,426,612.84/993,917.40
  6. Step 6: Final answer
    x = 1,108,870.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.