Home / 1,457,539.03-2,011,407.42-813,000.97

Finding the Fourth Proportional to 1,457,539.03, 2,011,407.42 and 813,000.97

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Solution

The fourth proportional to 1,457,539.03, 2,011,407.42 and 813,000.97 is: 1,121,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,539.03 : 2,011,407.42 = 813,000.97 : x
  2. Step 2: Convert to fraction form
    1,457,539.03/2,011,407.42 = 813,000.97/x
  3. Step 3: Cross multiply
    1,457,539.03x = 2,011,407.42 × 813,000.97
  4. Step 4: Simplify right side
    1,457,539.03x = 1,635,276,183,525.20
  5. Step 5: Solve for x
    x = 1,635,276,183,525.20/1,457,539.03
  6. Step 6: Final answer
    x = 1,121,943.32

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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.