Home / 1,077,684.86-1,487,150.55-612,526.55

Finding the Fourth Proportional to 1,077,684.86, 1,487,150.55 and 612,526.55

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Solution

The fourth proportional to 1,077,684.86, 1,487,150.55 and 612,526.55 is: 845,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,684.86 : 1,487,150.55 = 612,526.55 : x
  2. Step 2: Convert to fraction form
    1,077,684.86/1,487,150.55 = 612,526.55/x
  3. Step 3: Cross multiply
    1,077,684.86x = 1,487,150.55 × 612,526.55
  4. Step 4: Simplify right side
    1,077,684.86x = 910,919,199,354.91
  5. Step 5: Solve for x
    x = 910,919,199,354.91/1,077,684.86
  6. Step 6: Final answer
    x = 845,255.64

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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.