Home / 1,306,811.75-1,959,463.31-507,158.69

Finding the Fourth Proportional to 1,306,811.75, 1,959,463.31 and 507,158.69

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Solution

The fourth proportional to 1,306,811.75, 1,959,463.31 and 507,158.69 is: 760,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,811.75 : 1,959,463.31 = 507,158.69 : x
  2. Step 2: Convert to fraction form
    1,306,811.75/1,959,463.31 = 507,158.69/x
  3. Step 3: Cross multiply
    1,306,811.75x = 1,959,463.31 × 507,158.69
  4. Step 4: Simplify right side
    1,306,811.75x = 993,758,833,069.55
  5. Step 5: Solve for x
    x = 993,758,833,069.55/1,306,811.75
  6. Step 6: Final answer
    x = 760,445.29

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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.