Home / 1,382,915.92-1,908,284.52-771,011.14

Finding the Fourth Proportional to 1,382,915.92, 1,908,284.52 and 771,011.14

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Solution

The fourth proportional to 1,382,915.92, 1,908,284.52 and 771,011.14 is: 1,063,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,915.92 : 1,908,284.52 = 771,011.14 : x
  2. Step 2: Convert to fraction form
    1,382,915.92/1,908,284.52 = 771,011.14/x
  3. Step 3: Cross multiply
    1,382,915.92x = 1,908,284.52 × 771,011.14
  4. Step 4: Simplify right side
    1,382,915.92x = 1,471,308,623,209.55
  5. Step 5: Solve for x
    x = 1,471,308,623,209.55/1,382,915.92
  6. Step 6: Final answer
    x = 1,063,917.63

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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.