Home / 1,432,823.40-1,977,282.09-788,244.30

Finding the Fourth Proportional to 1,432,823.40, 1,977,282.09 and 788,244.30

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Solution

The fourth proportional to 1,432,823.40, 1,977,282.09 and 788,244.30 is: 1,087,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,823.40 : 1,977,282.09 = 788,244.30 : x
  2. Step 2: Convert to fraction form
    1,432,823.40/1,977,282.09 = 788,244.30/x
  3. Step 3: Cross multiply
    1,432,823.40x = 1,977,282.09 × 788,244.30
  4. Step 4: Simplify right side
    1,432,823.40x = 1,558,581,336,934.59
  5. Step 5: Solve for x
    x = 1,558,581,336,934.59/1,432,823.40
  6. Step 6: Final answer
    x = 1,087,769.32

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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.