Home / 1,242,503.76-1,714,242.96-1,012,666.08

Finding the Fourth Proportional to 1,242,503.76, 1,714,242.96 and 1,012,666.08

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Solution

The fourth proportional to 1,242,503.76, 1,714,242.96 and 1,012,666.08 is: 1,397,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,503.76 : 1,714,242.96 = 1,012,666.08 : x
  2. Step 2: Convert to fraction form
    1,242,503.76/1,714,242.96 = 1,012,666.08/x
  3. Step 3: Cross multiply
    1,242,503.76x = 1,714,242.96 × 1,012,666.08
  4. Step 4: Simplify right side
    1,242,503.76x = 1,735,955,698,470.80
  5. Step 5: Solve for x
    x = 1,735,955,698,470.80/1,242,503.76
  6. Step 6: Final answer
    x = 1,397,143.22

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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.