Home / 1,105,279.79-1,657,919.36-306,561.42

Finding the Fourth Proportional to 1,105,279.79, 1,657,919.36 and 306,561.42

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Solution

The fourth proportional to 1,105,279.79, 1,657,919.36 and 306,561.42 is: 459,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,279.79 : 1,657,919.36 = 306,561.42 : x
  2. Step 2: Convert to fraction form
    1,105,279.79/1,657,919.36 = 306,561.42/x
  3. Step 3: Cross multiply
    1,105,279.79x = 1,657,919.36 × 306,561.42
  4. Step 4: Simplify right side
    1,105,279.79x = 508,254,114,013.50
  5. Step 5: Solve for x
    x = 508,254,114,013.50/1,105,279.79
  6. Step 6: Final answer
    x = 459,842.04

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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.