Home / 1,204,140.48-1,807,293.60-643,654.08

Finding the Fourth Proportional to 1,204,140.48, 1,807,293.60 and 643,654.08

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Solution

The fourth proportional to 1,204,140.48, 1,807,293.60 and 643,654.08 is: 966,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,140.48 : 1,807,293.60 = 643,654.08 : x
  2. Step 2: Convert to fraction form
    1,204,140.48/1,807,293.60 = 643,654.08/x
  3. Step 3: Cross multiply
    1,204,140.48x = 1,807,293.60 × 643,654.08
  4. Step 4: Simplify right side
    1,204,140.48x = 1,163,271,899,397.89
  5. Step 5: Solve for x
    x = 1,163,271,899,397.89/1,204,140.48
  6. Step 6: Final answer
    x = 966,059.96

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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.