Home / 1,071,328.38-1,478,455.74-587,889.29

Finding the Fourth Proportional to 1,071,328.38, 1,478,455.74 and 587,889.29

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Solution

The fourth proportional to 1,071,328.38, 1,478,455.74 and 587,889.29 is: 811,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,328.38 : 1,478,455.74 = 587,889.29 : x
  2. Step 2: Convert to fraction form
    1,071,328.38/1,478,455.74 = 587,889.29/x
  3. Step 3: Cross multiply
    1,071,328.38x = 1,478,455.74 × 587,889.29
  4. Step 4: Simplify right side
    1,071,328.38x = 869,168,298,981.16
  5. Step 5: Solve for x
    x = 869,168,298,981.16/1,071,328.38
  6. Step 6: Final answer
    x = 811,299.61

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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.