Home / 1,201,402.46-1,801,439.40-913,317.18

Finding the Fourth Proportional to 1,201,402.46, 1,801,439.40 and 913,317.18

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Solution

The fourth proportional to 1,201,402.46, 1,801,439.40 and 913,317.18 is: 1,369,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,402.46 : 1,801,439.40 = 913,317.18 : x
  2. Step 2: Convert to fraction form
    1,201,402.46/1,801,439.40 = 913,317.18/x
  3. Step 3: Cross multiply
    1,201,402.46x = 1,801,439.40 × 913,317.18
  4. Step 4: Simplify right side
    1,201,402.46x = 1,645,285,552,748.89
  5. Step 5: Solve for x
    x = 1,645,285,552,748.89/1,201,402.46
  6. Step 6: Final answer
    x = 1,369,470.77

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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.