Home / 1,402,154.72-2,103,585.95-391,275.84

Finding the Fourth Proportional to 1,402,154.72, 2,103,585.95 and 391,275.84

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Solution

The fourth proportional to 1,402,154.72, 2,103,585.95 and 391,275.84 is: 587,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,154.72 : 2,103,585.95 = 391,275.84 : x
  2. Step 2: Convert to fraction form
    1,402,154.72/2,103,585.95 = 391,275.84/x
  3. Step 3: Cross multiply
    1,402,154.72x = 2,103,585.95 × 391,275.84
  4. Step 4: Simplify right side
    1,402,154.72x = 823,082,359,598.45
  5. Step 5: Solve for x
    x = 823,082,359,598.45/1,402,154.72
  6. Step 6: Final answer
    x = 587,012.51

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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.