Home / 1,145,126.07-1,717,748.28-292,205.25

Finding the Fourth Proportional to 1,145,126.07, 1,717,748.28 and 292,205.25

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Solution

The fourth proportional to 1,145,126.07, 1,717,748.28 and 292,205.25 is: 438,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,126.07 : 1,717,748.28 = 292,205.25 : x
  2. Step 2: Convert to fraction form
    1,145,126.07/1,717,748.28 = 292,205.25/x
  3. Step 3: Cross multiply
    1,145,126.07x = 1,717,748.28 × 292,205.25
  4. Step 4: Simplify right side
    1,145,126.07x = 501,935,065,594.47
  5. Step 5: Solve for x
    x = 501,935,065,594.47/1,145,126.07
  6. Step 6: Final answer
    x = 438,322.97

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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.