Home / 1,087,576.80-1,630,587.60-488,047.20

Finding the Fourth Proportional to 1,087,576.80, 1,630,587.60 and 488,047.20

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Solution

The fourth proportional to 1,087,576.80, 1,630,587.60 and 488,047.20 is: 731,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,576.80 : 1,630,587.60 = 488,047.20 : x
  2. Step 2: Convert to fraction form
    1,087,576.80/1,630,587.60 = 488,047.20/x
  3. Step 3: Cross multiply
    1,087,576.80x = 1,630,587.60 × 488,047.20
  4. Step 4: Simplify right side
    1,087,576.80x = 795,803,712,534.72
  5. Step 5: Solve for x
    x = 795,803,712,534.72/1,087,576.80
  6. Step 6: Final answer
    x = 731,721.85

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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.