Home / 1,105,272.20-1,657,908.30-395,323.40

Finding the Fourth Proportional to 1,105,272.20, 1,657,908.30 and 395,323.40

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Solution

The fourth proportional to 1,105,272.20, 1,657,908.30 and 395,323.40 is: 592,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,272.20 : 1,657,908.30 = 395,323.40 : x
  2. Step 2: Convert to fraction form
    1,105,272.20/1,657,908.30 = 395,323.40/x
  3. Step 3: Cross multiply
    1,105,272.20x = 1,657,908.30 × 395,323.40
  4. Step 4: Simplify right side
    1,105,272.20x = 655,409,946,044.22
  5. Step 5: Solve for x
    x = 655,409,946,044.22/1,105,272.20
  6. Step 6: Final answer
    x = 592,985.10

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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.