Home / 1,148,860.20-1,723,367.10-390,690.60

Finding the Fourth Proportional to 1,148,860.20, 1,723,367.10 and 390,690.60

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Solution

The fourth proportional to 1,148,860.20, 1,723,367.10 and 390,690.60 is: 586,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,860.20 : 1,723,367.10 = 390,690.60 : x
  2. Step 2: Convert to fraction form
    1,148,860.20/1,723,367.10 = 390,690.60/x
  3. Step 3: Cross multiply
    1,148,860.20x = 1,723,367.10 × 390,690.60
  4. Step 4: Simplify right side
    1,148,860.20x = 673,303,326,319.26
  5. Step 5: Solve for x
    x = 673,303,326,319.26/1,148,860.20
  6. Step 6: Final answer
    x = 586,062.02

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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.