Home / 1,069,176.75-1,603,571.40-429,454.68

Finding the Fourth Proportional to 1,069,176.75, 1,603,571.40 and 429,454.68

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Solution

The fourth proportional to 1,069,176.75, 1,603,571.40 and 429,454.68 is: 644,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,176.75 : 1,603,571.40 = 429,454.68 : x
  2. Step 2: Convert to fraction form
    1,069,176.75/1,603,571.40 = 429,454.68/x
  3. Step 3: Cross multiply
    1,069,176.75x = 1,603,571.40 × 429,454.68
  4. Step 4: Simplify right side
    1,069,176.75x = 688,661,242,444.15
  5. Step 5: Solve for x
    x = 688,661,242,444.15/1,069,176.75
  6. Step 6: Final answer
    x = 644,104.21

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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.