Home / 1,009,286.60-1,392,798.04-550,404.80

Finding the Fourth Proportional to 1,009,286.60, 1,392,798.04 and 550,404.80

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Solution

The fourth proportional to 1,009,286.60, 1,392,798.04 and 550,404.80 is: 759,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,286.60 : 1,392,798.04 = 550,404.80 : x
  2. Step 2: Convert to fraction form
    1,009,286.60/1,392,798.04 = 550,404.80/x
  3. Step 3: Cross multiply
    1,009,286.60x = 1,392,798.04 × 550,404.80
  4. Step 4: Simplify right side
    1,009,286.60x = 766,602,726,646.59
  5. Step 5: Solve for x
    x = 766,602,726,646.59/1,009,286.60
  6. Step 6: Final answer
    x = 759,549.10

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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.