Home / 1,216,182.56-1,678,805.52-1,088,637.60

Finding the Fourth Proportional to 1,216,182.56, 1,678,805.52 and 1,088,637.60

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Solution

The fourth proportional to 1,216,182.56, 1,678,805.52 and 1,088,637.60 is: 1,502,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,182.56 : 1,678,805.52 = 1,088,637.60 : x
  2. Step 2: Convert to fraction form
    1,216,182.56/1,678,805.52 = 1,088,637.60/x
  3. Step 3: Cross multiply
    1,216,182.56x = 1,678,805.52 × 1,088,637.60
  4. Step 4: Simplify right side
    1,216,182.56x = 1,827,610,812,159.55
  5. Step 5: Solve for x
    x = 1,827,610,812,159.55/1,216,182.56
  6. Step 6: Final answer
    x = 1,502,743.81

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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.