Home / 1,316,346.80-1,974,520.17-319,074.80

Finding the Fourth Proportional to 1,316,346.80, 1,974,520.17 and 319,074.80

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Solution

The fourth proportional to 1,316,346.80, 1,974,520.17 and 319,074.80 is: 478,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,346.80 : 1,974,520.17 = 319,074.80 : x
  2. Step 2: Convert to fraction form
    1,316,346.80/1,974,520.17 = 319,074.80/x
  3. Step 3: Cross multiply
    1,316,346.80x = 1,974,520.17 × 319,074.80
  4. Step 4: Simplify right side
    1,316,346.80x = 630,019,628,338.72
  5. Step 5: Solve for x
    x = 630,019,628,338.72/1,316,346.80
  6. Step 6: Final answer
    x = 478,612.19

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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.