Home / 1,124,056.16-1,549,376.88-878,613.20

Finding the Fourth Proportional to 1,124,056.16, 1,549,376.88 and 878,613.20

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Solution

The fourth proportional to 1,124,056.16, 1,549,376.88 and 878,613.20 is: 1,211,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,056.16 : 1,549,376.88 = 878,613.20 : x
  2. Step 2: Convert to fraction form
    1,124,056.16/1,549,376.88 = 878,613.20/x
  3. Step 3: Cross multiply
    1,124,056.16x = 1,549,376.88 × 878,613.20
  4. Step 4: Simplify right side
    1,124,056.16x = 1,361,302,978,542.82
  5. Step 5: Solve for x
    x = 1,361,302,978,542.82/1,124,056.16
  6. Step 6: Final answer
    x = 1,211,063.14

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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.