Home / 1,138,316.06-1,570,689.67-673,105.40

Finding the Fourth Proportional to 1,138,316.06, 1,570,689.67 and 673,105.40

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Solution

The fourth proportional to 1,138,316.06, 1,570,689.67 and 673,105.40 is: 928,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,316.06 : 1,570,689.67 = 673,105.40 : x
  2. Step 2: Convert to fraction form
    1,138,316.06/1,570,689.67 = 673,105.40/x
  3. Step 3: Cross multiply
    1,138,316.06x = 1,570,689.67 × 673,105.40
  4. Step 4: Simplify right side
    1,138,316.06x = 1,057,239,698,601.22
  5. Step 5: Solve for x
    x = 1,057,239,698,601.22/1,138,316.06
  6. Step 6: Final answer
    x = 928,775.18

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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.