Home / 1,055,005.60-1,455,905.68-571,582.80

Finding the Fourth Proportional to 1,055,005.60, 1,455,905.68 and 571,582.80

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Solution

The fourth proportional to 1,055,005.60, 1,455,905.68 and 571,582.80 is: 788,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,005.60 : 1,455,905.68 = 571,582.80 : x
  2. Step 2: Convert to fraction form
    1,055,005.60/1,455,905.68 = 571,582.80/x
  3. Step 3: Cross multiply
    1,055,005.60x = 1,455,905.68 × 571,582.80
  4. Step 4: Simplify right side
    1,055,005.60x = 832,170,645,110.30
  5. Step 5: Solve for x
    x = 832,170,645,110.30/1,055,005.60
  6. Step 6: Final answer
    x = 788,783.15

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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.