Home / 1,298,157.12-1,947,011.04-351,306.72

Finding the Fourth Proportional to 1,298,157.12, 1,947,011.04 and 351,306.72

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Solution

The fourth proportional to 1,298,157.12, 1,947,011.04 and 351,306.72 is: 526,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,157.12 : 1,947,011.04 = 351,306.72 : x
  2. Step 2: Convert to fraction form
    1,298,157.12/1,947,011.04 = 351,306.72/x
  3. Step 3: Cross multiply
    1,298,157.12x = 1,947,011.04 × 351,306.72
  4. Step 4: Simplify right side
    1,298,157.12x = 683,998,062,266.19
  5. Step 5: Solve for x
    x = 683,998,062,266.19/1,298,157.12
  6. Step 6: Final answer
    x = 526,899.29

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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.