Home / 1,087,534.80-1,631,302.20-751,611.60

Finding the Fourth Proportional to 1,087,534.80, 1,631,302.20 and 751,611.60

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Solution

The fourth proportional to 1,087,534.80, 1,631,302.20 and 751,611.60 is: 1,127,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,534.80 : 1,631,302.20 = 751,611.60 : x
  2. Step 2: Convert to fraction form
    1,087,534.80/1,631,302.20 = 751,611.60/x
  3. Step 3: Cross multiply
    1,087,534.80x = 1,631,302.20 × 751,611.60
  4. Step 4: Simplify right side
    1,087,534.80x = 1,226,105,656,625.52
  5. Step 5: Solve for x
    x = 1,226,105,656,625.52/1,087,534.80
  6. Step 6: Final answer
    x = 1,127,417.40

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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.