Home / 1,453,705.38-2,180,557.93-388,719.76

Finding the Fourth Proportional to 1,453,705.38, 2,180,557.93 and 388,719.76

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Solution

The fourth proportional to 1,453,705.38, 2,180,557.93 and 388,719.76 is: 583,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,705.38 : 2,180,557.93 = 388,719.76 : x
  2. Step 2: Convert to fraction form
    1,453,705.38/2,180,557.93 = 388,719.76/x
  3. Step 3: Cross multiply
    1,453,705.38x = 2,180,557.93 × 388,719.76
  4. Step 4: Simplify right side
    1,453,705.38x = 847,625,961,638.89
  5. Step 5: Solve for x
    x = 847,625,961,638.89/1,453,705.38
  6. Step 6: Final answer
    x = 583,079.61

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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.