Home / 1,244,402.32-1,866,188.29-486,047.08

Finding the Fourth Proportional to 1,244,402.32, 1,866,188.29 and 486,047.08

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Solution

The fourth proportional to 1,244,402.32, 1,866,188.29 and 486,047.08 is: 728,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,402.32 : 1,866,188.29 = 486,047.08 : x
  2. Step 2: Convert to fraction form
    1,244,402.32/1,866,188.29 = 486,047.08/x
  3. Step 3: Cross multiply
    1,244,402.32x = 1,866,188.29 × 486,047.08
  4. Step 4: Simplify right side
    1,244,402.32x = 907,055,369,746.64
  5. Step 5: Solve for x
    x = 907,055,369,746.64/1,244,402.32
  6. Step 6: Final answer
    x = 728,908.45

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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.