Home / 1,155,530.80-1,594,631.30-646,233.18

Finding the Fourth Proportional to 1,155,530.80, 1,594,631.30 and 646,233.18

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Solution

The fourth proportional to 1,155,530.80, 1,594,631.30 and 646,233.18 is: 891,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,530.80 : 1,594,631.30 = 646,233.18 : x
  2. Step 2: Convert to fraction form
    1,155,530.80/1,594,631.30 = 646,233.18/x
  3. Step 3: Cross multiply
    1,155,530.80x = 1,594,631.30 × 646,233.18
  4. Step 4: Simplify right side
    1,155,530.80x = 1,030,503,655,926.53
  5. Step 5: Solve for x
    x = 1,030,503,655,926.53/1,155,530.80
  6. Step 6: Final answer
    x = 891,801.12

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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.