Home / 1,298,772.30-1,948,465.65-412,308.30

Finding the Fourth Proportional to 1,298,772.30, 1,948,465.65 and 412,308.30

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Solution

The fourth proportional to 1,298,772.30, 1,948,465.65 and 412,308.30 is: 618,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,772.30 : 1,948,465.65 = 412,308.30 : x
  2. Step 2: Convert to fraction form
    1,298,772.30/1,948,465.65 = 412,308.30/x
  3. Step 3: Cross multiply
    1,298,772.30x = 1,948,465.65 × 412,308.30
  4. Step 4: Simplify right side
    1,298,772.30x = 803,368,559,759.90
  5. Step 5: Solve for x
    x = 803,368,559,759.90/1,298,772.30
  6. Step 6: Final answer
    x = 618,559.97

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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.