Home / 1,428,852.56-1,971,841.98-784,332.73

Finding the Fourth Proportional to 1,428,852.56, 1,971,841.98 and 784,332.73

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Solution

The fourth proportional to 1,428,852.56, 1,971,841.98 and 784,332.73 is: 1,082,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,852.56 : 1,971,841.98 = 784,332.73 : x
  2. Step 2: Convert to fraction form
    1,428,852.56/1,971,841.98 = 784,332.73/x
  3. Step 3: Cross multiply
    1,428,852.56x = 1,971,841.98 × 784,332.73
  4. Step 4: Simplify right side
    1,428,852.56x = 1,546,580,201,313.65
  5. Step 5: Solve for x
    x = 1,546,580,201,313.65/1,428,852.56
  6. Step 6: Final answer
    x = 1,082,393.13

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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.