Home / 1,292,910.02-1,938,016.92-723,456.26

Finding the Fourth Proportional to 1,292,910.02, 1,938,016.92 and 723,456.26

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Solution

The fourth proportional to 1,292,910.02, 1,938,016.92 and 723,456.26 is: 1,084,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,910.02 : 1,938,016.92 = 723,456.26 : x
  2. Step 2: Convert to fraction form
    1,292,910.02/1,938,016.92 = 723,456.26/x
  3. Step 3: Cross multiply
    1,292,910.02x = 1,938,016.92 × 723,456.26
  4. Step 4: Simplify right side
    1,292,910.02x = 1,402,070,472,759.92
  5. Step 5: Solve for x
    x = 1,402,070,472,759.92/1,292,910.02
  6. Step 6: Final answer
    x = 1,084,430.05

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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.