Home / 1,087,141.38-1,630,841.76-525,772.50

Finding the Fourth Proportional to 1,087,141.38, 1,630,841.76 and 525,772.50

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Solution

The fourth proportional to 1,087,141.38, 1,630,841.76 and 525,772.50 is: 788,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,141.38 : 1,630,841.76 = 525,772.50 : x
  2. Step 2: Convert to fraction form
    1,087,141.38/1,630,841.76 = 525,772.50/x
  3. Step 3: Cross multiply
    1,087,141.38x = 1,630,841.76 × 525,772.50
  4. Step 4: Simplify right side
    1,087,141.38x = 857,451,749,259.60
  5. Step 5: Solve for x
    x = 857,451,749,259.60/1,087,141.38
  6. Step 6: Final answer
    x = 788,721.47

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Double scale
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1.5x scale

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.