Home / 1,151,544.09-1,589,130.85-642,246.47

Finding the Fourth Proportional to 1,151,544.09, 1,589,130.85 and 642,246.47

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Solution

The fourth proportional to 1,151,544.09, 1,589,130.85 and 642,246.47 is: 886,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,544.09 : 1,589,130.85 = 642,246.47 : x
  2. Step 2: Convert to fraction form
    1,151,544.09/1,589,130.85 = 642,246.47/x
  3. Step 3: Cross multiply
    1,151,544.09x = 1,589,130.85 × 642,246.47
  4. Step 4: Simplify right side
    1,151,544.09x = 1,020,613,676,392.78
  5. Step 5: Solve for x
    x = 1,020,613,676,392.78/1,151,544.09
  6. Step 6: Final answer
    x = 886,300.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.