Home / 1,103,290.25-1,654,935.47-355,336.25

Finding the Fourth Proportional to 1,103,290.25, 1,654,935.47 and 355,336.25

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Solution

The fourth proportional to 1,103,290.25, 1,654,935.47 and 355,336.25 is: 533,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,290.25 : 1,654,935.47 = 355,336.25 : x
  2. Step 2: Convert to fraction form
    1,103,290.25/1,654,935.47 = 355,336.25/x
  3. Step 3: Cross multiply
    1,103,290.25x = 1,654,935.47 × 355,336.25
  4. Step 4: Simplify right side
    1,103,290.25x = 588,058,562,125.11
  5. Step 5: Solve for x
    x = 588,058,562,125.11/1,103,290.25
  6. Step 6: Final answer
    x = 533,004.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.