Home / 1,252,225.12-1,878,412.32-483,728.80

Finding the Fourth Proportional to 1,252,225.12, 1,878,412.32 and 483,728.80

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Solution

The fourth proportional to 1,252,225.12, 1,878,412.32 and 483,728.80 is: 725,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,225.12 : 1,878,412.32 = 483,728.80 : x
  2. Step 2: Convert to fraction form
    1,252,225.12/1,878,412.32 = 483,728.80/x
  3. Step 3: Cross multiply
    1,252,225.12x = 1,878,412.32 × 483,728.80
  4. Step 4: Simplify right side
    1,252,225.12x = 908,642,137,458.82
  5. Step 5: Solve for x
    x = 908,642,137,458.82/1,252,225.12
  6. Step 6: Final answer
    x = 725,622.03

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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.