Home / 1,126,032.12-1,554,036.02-642,670.47

Finding the Fourth Proportional to 1,126,032.12, 1,554,036.02 and 642,670.47

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Solution

The fourth proportional to 1,126,032.12, 1,554,036.02 and 642,670.47 is: 886,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,032.12 : 1,554,036.02 = 642,670.47 : x
  2. Step 2: Convert to fraction form
    1,126,032.12/1,554,036.02 = 642,670.47/x
  3. Step 3: Cross multiply
    1,126,032.12x = 1,554,036.02 × 642,670.47
  4. Step 4: Simplify right side
    1,126,032.12x = 998,733,059,370.33
  5. Step 5: Solve for x
    x = 998,733,059,370.33/1,126,032.12
  6. Step 6: Final answer
    x = 886,949.00

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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.