Home / 1,256,885.20-1,885,302.26-310,264.12

Finding the Fourth Proportional to 1,256,885.20, 1,885,302.26 and 310,264.12

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Solution

The fourth proportional to 1,256,885.20, 1,885,302.26 and 310,264.12 is: 465,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,885.20 : 1,885,302.26 = 310,264.12 : x
  2. Step 2: Convert to fraction form
    1,256,885.20/1,885,302.26 = 310,264.12/x
  3. Step 3: Cross multiply
    1,256,885.20x = 1,885,302.26 × 310,264.12
  4. Step 4: Simplify right side
    1,256,885.20x = 584,941,646,632.91
  5. Step 5: Solve for x
    x = 584,941,646,632.91/1,256,885.20
  6. Step 6: Final answer
    x = 465,389.88

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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.