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Finding the Fourth Proportional to 1,452,940, 2,179,410 and 402,316

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Solution

The fourth proportional to 1,452,940, 2,179,410 and 402,316 is: 603,474

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,940 : 2,179,410 = 402,316 : x
  2. Step 2: Convert to fraction form
    1,452,940/2,179,410 = 402,316/x
  3. Step 3: Cross multiply
    1,452,940x = 2,179,410 × 402,316
  4. Step 4: Simplify right side
    1,452,940x = 876,811,513,560
  5. Step 5: Solve for x
    x = 876,811,513,560/1,452,940
  6. Step 6: Final answer
    x = 603,474

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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.