Home / 1,004,346.02-1,386,218.19-660,213.74

Finding the Fourth Proportional to 1,004,346.02, 1,386,218.19 and 660,213.74

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Solution

The fourth proportional to 1,004,346.02, 1,386,218.19 and 660,213.74 is: 911,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,346.02 : 1,386,218.19 = 660,213.74 : x
  2. Step 2: Convert to fraction form
    1,004,346.02/1,386,218.19 = 660,213.74/x
  3. Step 3: Cross multiply
    1,004,346.02x = 1,386,218.19 × 660,213.74
  4. Step 4: Simplify right side
    1,004,346.02x = 915,200,288,744.84
  5. Step 5: Solve for x
    x = 915,200,288,744.84/1,004,346.02
  6. Step 6: Final answer
    x = 911,240.03

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Double scale
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1.5x scale

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.