Home / 1,432,588.48-2,148,143.23-421,579.17

Finding the Fourth Proportional to 1,432,588.48, 2,148,143.23 and 421,579.17

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Solution

The fourth proportional to 1,432,588.48, 2,148,143.23 and 421,579.17 is: 632,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,588.48 : 2,148,143.23 = 421,579.17 : x
  2. Step 2: Convert to fraction form
    1,432,588.48/2,148,143.23 = 421,579.17/x
  3. Step 3: Cross multiply
    1,432,588.48x = 2,148,143.23 × 421,579.17
  4. Step 4: Simplify right side
    1,432,588.48x = 905,612,439,944.52
  5. Step 5: Solve for x
    x = 905,612,439,944.52/1,432,588.48
  6. Step 6: Final answer
    x = 632,151.14

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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.