Home / 1,549,072.52-2,137,488.18-869,877.80

Finding the Fourth Proportional to 1,549,072.52, 2,137,488.18 and 869,877.80

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Solution

The fourth proportional to 1,549,072.52, 2,137,488.18 and 869,877.80 is: 1,200,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,072.52 : 2,137,488.18 = 869,877.80 : x
  2. Step 2: Convert to fraction form
    1,549,072.52/2,137,488.18 = 869,877.80/x
  3. Step 3: Cross multiply
    1,549,072.52x = 2,137,488.18 × 869,877.80
  4. Step 4: Simplify right side
    1,549,072.52x = 1,859,353,515,544.40
  5. Step 5: Solve for x
    x = 1,859,353,515,544.40/1,549,072.52
  6. Step 6: Final answer
    x = 1,200,301.14

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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.