Home / 1,543,451.49-2,315,264.71-478,644.93

Finding the Fourth Proportional to 1,543,451.49, 2,315,264.71 and 478,644.93

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Solution

The fourth proportional to 1,543,451.49, 2,315,264.71 and 478,644.93 is: 717,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,451.49 : 2,315,264.71 = 478,644.93 : x
  2. Step 2: Convert to fraction form
    1,543,451.49/2,315,264.71 = 478,644.93/x
  3. Step 3: Cross multiply
    1,543,451.49x = 2,315,264.71 × 478,644.93
  4. Step 4: Simplify right side
    1,543,451.49x = 1,108,189,709,859.56
  5. Step 5: Solve for x
    x = 1,108,189,709,859.56/1,543,451.49
  6. Step 6: Final answer
    x = 717,994.52

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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.