Home / 1,581,280.24-2,182,140.27-856,122.07

Finding the Fourth Proportional to 1,581,280.24, 2,182,140.27 and 856,122.07

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Solution

The fourth proportional to 1,581,280.24, 2,182,140.27 and 856,122.07 is: 1,181,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,280.24 : 2,182,140.27 = 856,122.07 : x
  2. Step 2: Convert to fraction form
    1,581,280.24/2,182,140.27 = 856,122.07/x
  3. Step 3: Cross multiply
    1,581,280.24x = 2,182,140.27 × 856,122.07
  4. Step 4: Simplify right side
    1,581,280.24x = 1,868,178,444,982.76
  5. Step 5: Solve for x
    x = 1,868,178,444,982.76/1,581,280.24
  6. Step 6: Final answer
    x = 1,181,434.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.