Home / 745,907.57-1,119,644.02-661,061.25

Finding the Fourth Proportional to 745,907.57, 1,119,644.02 and 661,061.25

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Solution

The fourth proportional to 745,907.57, 1,119,644.02 and 661,061.25 is: 992,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,907.57 : 1,119,644.02 = 661,061.25 : x
  2. Step 2: Convert to fraction form
    745,907.57/1,119,644.02 = 661,061.25/x
  3. Step 3: Cross multiply
    745,907.57x = 1,119,644.02 × 661,061.25
  4. Step 4: Simplify right side
    745,907.57x = 740,153,269,818.01
  5. Step 5: Solve for x
    x = 740,153,269,818.01/745,907.57
  6. Step 6: Final answer
    x = 992,285.51

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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.