Home / 1,309,780.48-1,807,479.04-736,820.48

Finding the Fourth Proportional to 1,309,780.48, 1,807,479.04 and 736,820.48

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Solution

The fourth proportional to 1,309,780.48, 1,807,479.04 and 736,820.48 is: 1,016,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,780.48 : 1,807,479.04 = 736,820.48 : x
  2. Step 2: Convert to fraction form
    1,309,780.48/1,807,479.04 = 736,820.48/x
  3. Step 3: Cross multiply
    1,309,780.48x = 1,807,479.04 × 736,820.48
  4. Step 4: Simplify right side
    1,309,780.48x = 1,331,787,573,842.74
  5. Step 5: Solve for x
    x = 1,331,787,573,842.74/1,309,780.48
  6. Step 6: Final answer
    x = 1,016,802.12

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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.