Home / 1,204,143.48-1,807,298.10-643,657.08

Finding the Fourth Proportional to 1,204,143.48, 1,807,298.10 and 643,657.08

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Solution

The fourth proportional to 1,204,143.48, 1,807,298.10 and 643,657.08 is: 966,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,143.48 : 1,807,298.10 = 643,657.08 : x
  2. Step 2: Convert to fraction form
    1,204,143.48/1,807,298.10 = 643,657.08/x
  3. Step 3: Cross multiply
    1,204,143.48x = 1,807,298.10 × 643,657.08
  4. Step 4: Simplify right side
    1,204,143.48x = 1,163,280,217,735.55
  5. Step 5: Solve for x
    x = 1,163,280,217,735.55/1,204,143.48
  6. Step 6: Final answer
    x = 966,064.46

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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.