Home / 1,549,003.68-2,137,719.96-869,940

Finding the Fourth Proportional to 1,549,003.68, 2,137,719.96 and 869,940

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Solution

The fourth proportional to 1,549,003.68, 2,137,719.96 and 869,940 is: 1,200,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,003.68 : 2,137,719.96 = 869,940 : x
  2. Step 2: Convert to fraction form
    1,549,003.68/2,137,719.96 = 869,940/x
  3. Step 3: Cross multiply
    1,549,003.68x = 2,137,719.96 × 869,940
  4. Step 4: Simplify right side
    1,549,003.68x = 1,859,688,102,002.40
  5. Step 5: Solve for x
    x = 1,859,688,102,002.40/1,549,003.68
  6. Step 6: Final answer
    x = 1,200,570.49

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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.