Home / 1,231,860.03-1,851,070.55-663,677.43

Finding the Fourth Proportional to 1,231,860.03, 1,851,070.55 and 663,677.43

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Solution

The fourth proportional to 1,231,860.03, 1,851,070.55 and 663,677.43 is: 997,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,860.03 : 1,851,070.55 = 663,677.43 : x
  2. Step 2: Convert to fraction form
    1,231,860.03/1,851,070.55 = 663,677.43/x
  3. Step 3: Cross multiply
    1,231,860.03x = 1,851,070.55 × 663,677.43
  4. Step 4: Simplify right side
    1,231,860.03x = 1,228,513,742,054.30
  5. Step 5: Solve for x
    x = 1,228,513,742,054.30/1,231,860.03
  6. Step 6: Final answer
    x = 997,283.55

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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.