Home / 1,232,114.90-1,847,999.55-390,751.70

Finding the Fourth Proportional to 1,232,114.90, 1,847,999.55 and 390,751.70

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Solution

The fourth proportional to 1,232,114.90, 1,847,999.55 and 390,751.70 is: 586,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,114.90 : 1,847,999.55 = 390,751.70 : x
  2. Step 2: Convert to fraction form
    1,232,114.90/1,847,999.55 = 390,751.70/x
  3. Step 3: Cross multiply
    1,232,114.90x = 1,847,999.55 × 390,751.70
  4. Step 4: Simplify right side
    1,232,114.90x = 722,108,965,761.74
  5. Step 5: Solve for x
    x = 722,108,965,761.74/1,232,114.90
  6. Step 6: Final answer
    x = 586,072.75

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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.