Home / 1,453,705.33-2,180,557.85-388,719.71

Finding the Fourth Proportional to 1,453,705.33, 2,180,557.85 and 388,719.71

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Solution

The fourth proportional to 1,453,705.33, 2,180,557.85 and 388,719.71 is: 583,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,705.33 : 2,180,557.85 = 388,719.71 : x
  2. Step 2: Convert to fraction form
    1,453,705.33/2,180,557.85 = 388,719.71/x
  3. Step 3: Cross multiply
    1,453,705.33x = 2,180,557.85 × 388,719.71
  4. Step 4: Simplify right side
    1,453,705.33x = 847,625,812,364.53
  5. Step 5: Solve for x
    x = 847,625,812,364.53/1,453,705.33
  6. Step 6: Final answer
    x = 583,079.52

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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.