Home / 1,045,619.80-1,566,356.10-623,642.20

Finding the Fourth Proportional to 1,045,619.80, 1,566,356.10 and 623,642.20

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Solution

The fourth proportional to 1,045,619.80, 1,566,356.10 and 623,642.20 is: 934,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,619.80 : 1,566,356.10 = 623,642.20 : x
  2. Step 2: Convert to fraction form
    1,045,619.80/1,566,356.10 = 623,642.20/x
  3. Step 3: Cross multiply
    1,045,619.80x = 1,566,356.10 × 623,642.20
  4. Step 4: Simplify right side
    1,045,619.80x = 976,845,764,187.42
  5. Step 5: Solve for x
    x = 976,845,764,187.42/1,045,619.80
  6. Step 6: Final answer
    x = 934,226.54

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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.