Home / 1,317,955.76-1,818,754.81-744,995.93

Finding the Fourth Proportional to 1,317,955.76, 1,818,754.81 and 744,995.93

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Solution

The fourth proportional to 1,317,955.76, 1,818,754.81 and 744,995.93 is: 1,028,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,955.76 : 1,818,754.81 = 744,995.93 : x
  2. Step 2: Convert to fraction form
    1,317,955.76/1,818,754.81 = 744,995.93/x
  3. Step 3: Cross multiply
    1,317,955.76x = 1,818,754.81 × 744,995.93
  4. Step 4: Simplify right side
    1,317,955.76x = 1,354,964,934,582.76
  5. Step 5: Solve for x
    x = 1,354,964,934,582.76/1,317,955.76
  6. Step 6: Final answer
    x = 1,028,080.74

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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.