Home / 1,069,429.23-1,604,395.35-311,287.05

Finding the Fourth Proportional to 1,069,429.23, 1,604,395.35 and 311,287.05

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Solution

The fourth proportional to 1,069,429.23, 1,604,395.35 and 311,287.05 is: 467,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,429.23 : 1,604,395.35 = 311,287.05 : x
  2. Step 2: Convert to fraction form
    1,069,429.23/1,604,395.35 = 311,287.05/x
  3. Step 3: Cross multiply
    1,069,429.23x = 1,604,395.35 × 311,287.05
  4. Step 4: Simplify right side
    1,069,429.23x = 499,427,495,535.22
  5. Step 5: Solve for x
    x = 499,427,495,535.22/1,069,429.23
  6. Step 6: Final answer
    x = 467,003.78

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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.