Home / 1,277,335.68-1,762,642.81-733,088.43

Finding the Fourth Proportional to 1,277,335.68, 1,762,642.81 and 733,088.43

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Solution

The fourth proportional to 1,277,335.68, 1,762,642.81 and 733,088.43 is: 1,011,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,335.68 : 1,762,642.81 = 733,088.43 : x
  2. Step 2: Convert to fraction form
    1,277,335.68/1,762,642.81 = 733,088.43/x
  3. Step 3: Cross multiply
    1,277,335.68x = 1,762,642.81 × 733,088.43
  4. Step 4: Simplify right side
    1,277,335.68x = 1,292,173,053,211.86
  5. Step 5: Solve for x
    x = 1,292,173,053,211.86/1,277,335.68
  6. Step 6: Final answer
    x = 1,011,615.87

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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.