Home / 1,543,754.10-2,315,412.45-478,903.80

Finding the Fourth Proportional to 1,543,754.10, 2,315,412.45 and 478,903.80

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Solution

The fourth proportional to 1,543,754.10, 2,315,412.45 and 478,903.80 is: 718,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,754.10 : 2,315,412.45 = 478,903.80 : x
  2. Step 2: Convert to fraction form
    1,543,754.10/2,315,412.45 = 478,903.80/x
  3. Step 3: Cross multiply
    1,543,754.10x = 2,315,412.45 × 478,903.80
  4. Step 4: Simplify right side
    1,543,754.10x = 1,108,859,820,872.31
  5. Step 5: Solve for x
    x = 1,108,859,820,872.31/1,543,754.10
  6. Step 6: Final answer
    x = 718,287.85

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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.