Home / 1,187,087.02-1,780,614.43-288,526.07

Finding the Fourth Proportional to 1,187,087.02, 1,780,614.43 and 288,526.07

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Solution

The fourth proportional to 1,187,087.02, 1,780,614.43 and 288,526.07 is: 432,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,087.02 : 1,780,614.43 = 288,526.07 : x
  2. Step 2: Convert to fraction form
    1,187,087.02/1,780,614.43 = 288,526.07/x
  3. Step 3: Cross multiply
    1,187,087.02x = 1,780,614.43 × 288,526.07
  4. Step 4: Simplify right side
    1,187,087.02x = 513,753,687,403.41
  5. Step 5: Solve for x
    x = 513,753,687,403.41/1,187,087.02
  6. Step 6: Final answer
    x = 432,785.20

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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.