Home / 1,246,809.60-1,720,615.68-710,254.08

Finding the Fourth Proportional to 1,246,809.60, 1,720,615.68 and 710,254.08

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Solution

The fourth proportional to 1,246,809.60, 1,720,615.68 and 710,254.08 is: 980,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,809.60 : 1,720,615.68 = 710,254.08 : x
  2. Step 2: Convert to fraction form
    1,246,809.60/1,720,615.68 = 710,254.08/x
  3. Step 3: Cross multiply
    1,246,809.60x = 1,720,615.68 × 710,254.08
  4. Step 4: Simplify right side
    1,246,809.60x = 1,222,074,306,831.97
  5. Step 5: Solve for x
    x = 1,222,074,306,831.97/1,246,809.60
  6. Step 6: Final answer
    x = 980,161.13

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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.