Home / 1,266,025.80-1,899,041.79-319,396.53

Finding the Fourth Proportional to 1,266,025.80, 1,899,041.79 and 319,396.53

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Solution

The fourth proportional to 1,266,025.80, 1,899,041.79 and 319,396.53 is: 479,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,025.80 : 1,899,041.79 = 319,396.53 : x
  2. Step 2: Convert to fraction form
    1,266,025.80/1,899,041.79 = 319,396.53/x
  3. Step 3: Cross multiply
    1,266,025.80x = 1,899,041.79 × 319,396.53
  4. Step 4: Simplify right side
    1,266,025.80x = 606,547,358,050.99
  5. Step 5: Solve for x
    x = 606,547,358,050.99/1,266,025.80
  6. Step 6: Final answer
    x = 479,095.57

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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.