Home / 1,585,709.28-2,378,543.13-387,642.06

Finding the Fourth Proportional to 1,585,709.28, 2,378,543.13 and 387,642.06

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Solution

The fourth proportional to 1,585,709.28, 2,378,543.13 and 387,642.06 is: 581,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,709.28 : 2,378,543.13 = 387,642.06 : x
  2. Step 2: Convert to fraction form
    1,585,709.28/2,378,543.13 = 387,642.06/x
  3. Step 3: Cross multiply
    1,585,709.28x = 2,378,543.13 × 387,642.06
  4. Step 4: Simplify right side
    1,585,709.28x = 922,023,358,712.05
  5. Step 5: Solve for x
    x = 922,023,358,712.05/1,585,709.28
  6. Step 6: Final answer
    x = 581,458.01

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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.