Home / 1,055,047.32-1,455,965.64-571,615.80

Finding the Fourth Proportional to 1,055,047.32, 1,455,965.64 and 571,615.80

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Solution

The fourth proportional to 1,055,047.32, 1,455,965.64 and 571,615.80 is: 788,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,047.32 : 1,455,965.64 = 571,615.80 : x
  2. Step 2: Convert to fraction form
    1,055,047.32/1,455,965.64 = 571,615.80/x
  3. Step 3: Cross multiply
    1,055,047.32x = 1,455,965.64 × 571,615.80
  4. Step 4: Simplify right side
    1,055,047.32x = 832,252,964,081.11
  5. Step 5: Solve for x
    x = 832,252,964,081.11/1,055,047.32
  6. Step 6: Final answer
    x = 788,829.99

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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.