Home / 1,360,795.78-2,042,454.60-687,349.11

Finding the Fourth Proportional to 1,360,795.78, 2,042,454.60 and 687,349.11

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Solution

The fourth proportional to 1,360,795.78, 2,042,454.60 and 687,349.11 is: 1,031,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,795.78 : 2,042,454.60 = 687,349.11 : x
  2. Step 2: Convert to fraction form
    1,360,795.78/2,042,454.60 = 687,349.11/x
  3. Step 3: Cross multiply
    1,360,795.78x = 2,042,454.60 × 687,349.11
  4. Step 4: Simplify right side
    1,360,795.78x = 1,403,879,341,313.13
  5. Step 5: Solve for x
    x = 1,403,879,341,313.13/1,360,795.78
  6. Step 6: Final answer
    x = 1,031,660.57

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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.