Home / 1,255,679.04-1,884,075.36-715,915.56

Finding the Fourth Proportional to 1,255,679.04, 1,884,075.36 and 715,915.56

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Solution

The fourth proportional to 1,255,679.04, 1,884,075.36 and 715,915.56 is: 1,074,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,679.04 : 1,884,075.36 = 715,915.56 : x
  2. Step 2: Convert to fraction form
    1,255,679.04/1,884,075.36 = 715,915.56/x
  3. Step 3: Cross multiply
    1,255,679.04x = 1,884,075.36 × 715,915.56
  4. Step 4: Simplify right side
    1,255,679.04x = 1,348,838,866,436.60
  5. Step 5: Solve for x
    x = 1,348,838,866,436.60/1,255,679.04
  6. Step 6: Final answer
    x = 1,074,190.80

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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.