Home / 1,019,555.09-1,529,233.51-309,589.28

Finding the Fourth Proportional to 1,019,555.09, 1,529,233.51 and 309,589.28

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Solution

The fourth proportional to 1,019,555.09, 1,529,233.51 and 309,589.28 is: 464,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,555.09 : 1,529,233.51 = 309,589.28 : x
  2. Step 2: Convert to fraction form
    1,019,555.09/1,529,233.51 = 309,589.28/x
  3. Step 3: Cross multiply
    1,019,555.09x = 1,529,233.51 × 309,589.28
  4. Step 4: Simplify right side
    1,019,555.09x = 473,434,301,312.77
  5. Step 5: Solve for x
    x = 473,434,301,312.77/1,019,555.09
  6. Step 6: Final answer
    x = 464,353.82

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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.