Home / 1,780,512.30-2,670,703.65-715,265.10

Finding the Fourth Proportional to 1,780,512.30, 2,670,703.65 and 715,265.10

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Solution

The fourth proportional to 1,780,512.30, 2,670,703.65 and 715,265.10 is: 1,072,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,512.30 : 2,670,703.65 = 715,265.10 : x
  2. Step 2: Convert to fraction form
    1,780,512.30/2,670,703.65 = 715,265.10/x
  3. Step 3: Cross multiply
    1,780,512.30x = 2,670,703.65 × 715,265.10
  4. Step 4: Simplify right side
    1,780,512.30x = 1,910,261,113,287.62
  5. Step 5: Solve for x
    x = 1,910,261,113,287.62/1,780,512.30
  6. Step 6: Final answer
    x = 1,072,871.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.