Home / 1,153,282.70-1,729,276.10-478,910.32

Finding the Fourth Proportional to 1,153,282.70, 1,729,276.10 and 478,910.32

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Solution

The fourth proportional to 1,153,282.70, 1,729,276.10 and 478,910.32 is: 718,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,282.70 : 1,729,276.10 = 478,910.32 : x
  2. Step 2: Convert to fraction form
    1,153,282.70/1,729,276.10 = 478,910.32/x
  3. Step 3: Cross multiply
    1,153,282.70x = 1,729,276.10 × 478,910.32
  4. Step 4: Simplify right side
    1,153,282.70x = 828,168,170,419.35
  5. Step 5: Solve for x
    x = 828,168,170,419.35/1,153,282.70
  6. Step 6: Final answer
    x = 718,096.41

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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.