Home / 1,105,031.40-1,657,559.40-306,319.88

Finding the Fourth Proportional to 1,105,031.40, 1,657,559.40 and 306,319.88

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Solution

The fourth proportional to 1,105,031.40, 1,657,559.40 and 306,319.88 is: 459,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,031.40 : 1,657,559.40 = 306,319.88 : x
  2. Step 2: Convert to fraction form
    1,105,031.40/1,657,559.40 = 306,319.88/x
  3. Step 3: Cross multiply
    1,105,031.40x = 1,657,559.40 × 306,319.88
  4. Step 4: Simplify right side
    1,105,031.40x = 507,743,396,500.87
  5. Step 5: Solve for x
    x = 507,743,396,500.87/1,105,031.40
  6. Step 6: Final answer
    x = 459,483.23

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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.