Home / 1,147,355.68-1,583,164.56-638,044.96

Finding the Fourth Proportional to 1,147,355.68, 1,583,164.56 and 638,044.96

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Solution

The fourth proportional to 1,147,355.68, 1,583,164.56 and 638,044.96 is: 880,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,355.68 : 1,583,164.56 = 638,044.96 : x
  2. Step 2: Convert to fraction form
    1,147,355.68/1,583,164.56 = 638,044.96/x
  3. Step 3: Cross multiply
    1,147,355.68x = 1,583,164.56 × 638,044.96
  4. Step 4: Simplify right side
    1,147,355.68x = 1,010,130,168,358.62
  5. Step 5: Solve for x
    x = 1,010,130,168,358.62/1,147,355.68
  6. Step 6: Final answer
    x = 880,398.46

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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.