Home / 1,549,167.76-2,138,051.98-870,104.24

Finding the Fourth Proportional to 1,549,167.76, 2,138,051.98 and 870,104.24

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Solution

The fourth proportional to 1,549,167.76, 2,138,051.98 and 870,104.24 is: 1,200,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,167.76 : 2,138,051.98 = 870,104.24 : x
  2. Step 2: Convert to fraction form
    1,549,167.76/2,138,051.98 = 870,104.24/x
  3. Step 3: Cross multiply
    1,549,167.76x = 2,138,051.98 × 870,104.24
  4. Step 4: Simplify right side
    1,549,167.76x = 1,860,328,093,138.40
  5. Step 5: Solve for x
    x = 1,860,328,093,138.40/1,549,167.76
  6. Step 6: Final answer
    x = 1,200,856.45

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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.