Home / 1,581,475.50-2,182,437.36-856,323.72

Finding the Fourth Proportional to 1,581,475.50, 2,182,437.36 and 856,323.72

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Solution

The fourth proportional to 1,581,475.50, 2,182,437.36 and 856,323.72 is: 1,181,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,475.50 : 2,182,437.36 = 856,323.72 : x
  2. Step 2: Convert to fraction form
    1,581,475.50/2,182,437.36 = 856,323.72/x
  3. Step 3: Cross multiply
    1,581,475.50x = 2,182,437.36 × 856,323.72
  4. Step 4: Simplify right side
    1,581,475.50x = 1,868,872,878,782.18
  5. Step 5: Solve for x
    x = 1,868,872,878,782.18/1,581,475.50
  6. Step 6: Final answer
    x = 1,181,727.37

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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.