Home / 1,549,158.75-2,138,039.55-870,095.25

Finding the Fourth Proportional to 1,549,158.75, 2,138,039.55 and 870,095.25

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Solution

The fourth proportional to 1,549,158.75, 2,138,039.55 and 870,095.25 is: 1,200,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,158.75 : 2,138,039.55 = 870,095.25 : x
  2. Step 2: Convert to fraction form
    1,549,158.75/2,138,039.55 = 870,095.25/x
  3. Step 3: Cross multiply
    1,549,158.75x = 2,138,039.55 × 870,095.25
  4. Step 4: Simplify right side
    1,549,158.75x = 1,860,298,056,767.14
  5. Step 5: Solve for x
    x = 1,860,298,056,767.14/1,549,158.75
  6. Step 6: Final answer
    x = 1,200,844.04

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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.