Home / 1,023,862.25-1,534,597.54-770,328.20

Finding the Fourth Proportional to 1,023,862.25, 1,534,597.54 and 770,328.20

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Solution

The fourth proportional to 1,023,862.25, 1,534,597.54 and 770,328.20 is: 1,154,592.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,862.25 : 1,534,597.54 = 770,328.20 : x
  2. Step 2: Convert to fraction form
    1,023,862.25/1,534,597.54 = 770,328.20/x
  3. Step 3: Cross multiply
    1,023,862.25x = 1,534,597.54 × 770,328.20
  4. Step 4: Simplify right side
    1,023,862.25x = 1,182,143,760,712.63
  5. Step 5: Solve for x
    x = 1,182,143,760,712.63/1,023,862.25
  6. Step 6: Final answer
    x = 1,154,592.58

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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.