Home / 1,087,050.68-1,500,173.10-628,150.04

Finding the Fourth Proportional to 1,087,050.68, 1,500,173.10 and 628,150.04

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Solution

The fourth proportional to 1,087,050.68, 1,500,173.10 and 628,150.04 is: 866,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,050.68 : 1,500,173.10 = 628,150.04 : x
  2. Step 2: Convert to fraction form
    1,087,050.68/1,500,173.10 = 628,150.04/x
  3. Step 3: Cross multiply
    1,087,050.68x = 1,500,173.10 × 628,150.04
  4. Step 4: Simplify right side
    1,087,050.68x = 942,333,792,771.92
  5. Step 5: Solve for x
    x = 942,333,792,771.92/1,087,050.68
  6. Step 6: Final answer
    x = 866,872.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.