Home / 1,092,130.40-1,638,195.60-714,216.80

Finding the Fourth Proportional to 1,092,130.40, 1,638,195.60 and 714,216.80

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Solution

The fourth proportional to 1,092,130.40, 1,638,195.60 and 714,216.80 is: 1,071,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,130.40 : 1,638,195.60 = 714,216.80 : x
  2. Step 2: Convert to fraction form
    1,092,130.40/1,638,195.60 = 714,216.80/x
  3. Step 3: Cross multiply
    1,092,130.40x = 1,638,195.60 × 714,216.80
  4. Step 4: Simplify right side
    1,092,130.40x = 1,170,026,819,206.08
  5. Step 5: Solve for x
    x = 1,170,026,819,206.08/1,092,130.40
  6. Step 6: Final answer
    x = 1,071,325.20

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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.