Home / 1,313,736.60-1,813,117.92-740,765.28

Finding the Fourth Proportional to 1,313,736.60, 1,813,117.92 and 740,765.28

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Solution

The fourth proportional to 1,313,736.60, 1,813,117.92 and 740,765.28 is: 1,022,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,736.60 : 1,813,117.92 = 740,765.28 : x
  2. Step 2: Convert to fraction form
    1,313,736.60/1,813,117.92 = 740,765.28/x
  3. Step 3: Cross multiply
    1,313,736.60x = 1,813,117.92 × 740,765.28
  4. Step 4: Simplify right side
    1,313,736.60x = 1,343,094,803,681.82
  5. Step 5: Solve for x
    x = 1,343,094,803,681.82/1,313,736.60
  6. Step 6: Final answer
    x = 1,022,347.10

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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.