Home / 1,071,338.07-1,478,442.18-587,911.29

Finding the Fourth Proportional to 1,071,338.07, 1,478,442.18 and 587,911.29

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Solution

The fourth proportional to 1,071,338.07, 1,478,442.18 and 587,911.29 is: 811,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,338.07 : 1,478,442.18 = 587,911.29 : x
  2. Step 2: Convert to fraction form
    1,071,338.07/1,478,442.18 = 587,911.29/x
  3. Step 3: Cross multiply
    1,071,338.07x = 1,478,442.18 × 587,911.29
  4. Step 4: Simplify right side
    1,071,338.07x = 869,192,849,234.21
  5. Step 5: Solve for x
    x = 869,192,849,234.21/1,071,338.07
  6. Step 6: Final answer
    x = 811,315.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.