Home / 1,290,176.88-1,935,292-469,487.40

Finding the Fourth Proportional to 1,290,176.88, 1,935,292 and 469,487.40

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Solution

The fourth proportional to 1,290,176.88, 1,935,292 and 469,487.40 is: 704,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,176.88 : 1,935,292 = 469,487.40 : x
  2. Step 2: Convert to fraction form
    1,290,176.88/1,935,292 = 469,487.40/x
  3. Step 3: Cross multiply
    1,290,176.88x = 1,935,292 × 469,487.40
  4. Step 4: Simplify right side
    1,290,176.88x = 908,595,209,320.80
  5. Step 5: Solve for x
    x = 908,595,209,320.80/1,290,176.88
  6. Step 6: Final answer
    x = 704,240.81

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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.