Home / 1,030,318.53-1,420,603.98-667,610.04

Finding the Fourth Proportional to 1,030,318.53, 1,420,603.98 and 667,610.04

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Solution

The fourth proportional to 1,030,318.53, 1,420,603.98 and 667,610.04 is: 920,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,318.53 : 1,420,603.98 = 667,610.04 : x
  2. Step 2: Convert to fraction form
    1,030,318.53/1,420,603.98 = 667,610.04/x
  3. Step 3: Cross multiply
    1,030,318.53x = 1,420,603.98 × 667,610.04
  4. Step 4: Simplify right side
    1,030,318.53x = 948,409,479,911.96
  5. Step 5: Solve for x
    x = 948,409,479,911.96/1,030,318.53
  6. Step 6: Final answer
    x = 920,501.24

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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.