Home / 1,265,775.81-1,746,582.78-768,801.27

Finding the Fourth Proportional to 1,265,775.81, 1,746,582.78 and 768,801.27

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Solution

The fourth proportional to 1,265,775.81, 1,746,582.78 and 768,801.27 is: 1,060,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,775.81 : 1,746,582.78 = 768,801.27 : x
  2. Step 2: Convert to fraction form
    1,265,775.81/1,746,582.78 = 768,801.27/x
  3. Step 3: Cross multiply
    1,265,775.81x = 1,746,582.78 × 768,801.27
  4. Step 4: Simplify right side
    1,265,775.81x = 1,342,775,059,424.13
  5. Step 5: Solve for x
    x = 1,342,775,059,424.13/1,265,775.81
  6. Step 6: Final answer
    x = 1,060,831.66

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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.