Home / 1,330,443.72-1,836,011.60-718,596.16

Finding the Fourth Proportional to 1,330,443.72, 1,836,011.60 and 718,596.16

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Solution

The fourth proportional to 1,330,443.72, 1,836,011.60 and 718,596.16 is: 991,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,443.72 : 1,836,011.60 = 718,596.16 : x
  2. Step 2: Convert to fraction form
    1,330,443.72/1,836,011.60 = 718,596.16/x
  3. Step 3: Cross multiply
    1,330,443.72x = 1,836,011.60 × 718,596.16
  4. Step 4: Simplify right side
    1,330,443.72x = 1,319,350,885,475.46
  5. Step 5: Solve for x
    x = 1,319,350,885,475.46/1,330,443.72
  6. Step 6: Final answer
    x = 991,662.30

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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.