Home / 1,004,346.39-1,386,218.72-660,214.11

Finding the Fourth Proportional to 1,004,346.39, 1,386,218.72 and 660,214.11

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Solution

The fourth proportional to 1,004,346.39, 1,386,218.72 and 660,214.11 is: 911,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,346.39 : 1,386,218.72 = 660,214.11 : x
  2. Step 2: Convert to fraction form
    1,004,346.39/1,386,218.72 = 660,214.11/x
  3. Step 3: Cross multiply
    1,004,346.39x = 1,386,218.72 × 660,214.11
  4. Step 4: Simplify right side
    1,004,346.39x = 915,201,155,189.07
  5. Step 5: Solve for x
    x = 915,201,155,189.07/1,004,346.39
  6. Step 6: Final answer
    x = 911,240.55

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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.