Home / 1,087,155.27-1,630,543.37-288,517.55

Finding the Fourth Proportional to 1,087,155.27, 1,630,543.37 and 288,517.55

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Solution

The fourth proportional to 1,087,155.27, 1,630,543.37 and 288,517.55 is: 432,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,155.27 : 1,630,543.37 = 288,517.55 : x
  2. Step 2: Convert to fraction form
    1,087,155.27/1,630,543.37 = 288,517.55/x
  3. Step 3: Cross multiply
    1,087,155.27x = 1,630,543.37 × 288,517.55
  4. Step 4: Simplify right side
    1,087,155.27x = 470,440,368,685.84
  5. Step 5: Solve for x
    x = 470,440,368,685.84/1,087,155.27
  6. Step 6: Final answer
    x = 432,726.02

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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.