Home / 1,549,055.52-2,137,464.72-869,860.80

Finding the Fourth Proportional to 1,549,055.52, 2,137,464.72 and 869,860.80

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Solution

The fourth proportional to 1,549,055.52, 2,137,464.72 and 869,860.80 is: 1,200,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,055.52 : 2,137,464.72 = 869,860.80 : x
  2. Step 2: Convert to fraction form
    1,549,055.52/2,137,464.72 = 869,860.80/x
  3. Step 3: Cross multiply
    1,549,055.52x = 2,137,464.72 × 869,860.80
  4. Step 4: Simplify right side
    1,549,055.52x = 1,859,296,771,310.98
  5. Step 5: Solve for x
    x = 1,859,296,771,310.98/1,549,055.52
  6. Step 6: Final answer
    x = 1,200,277.68

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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.