Home / 1,029,551.82-1,420,779.05-564,404.88

Finding the Fourth Proportional to 1,029,551.82, 1,420,779.05 and 564,404.88

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Solution

The fourth proportional to 1,029,551.82, 1,420,779.05 and 564,404.88 is: 778,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,551.82 : 1,420,779.05 = 564,404.88 : x
  2. Step 2: Convert to fraction form
    1,029,551.82/1,420,779.05 = 564,404.88/x
  3. Step 3: Cross multiply
    1,029,551.82x = 1,420,779.05 × 564,404.88
  4. Step 4: Simplify right side
    1,029,551.82x = 801,894,629,221.76
  5. Step 5: Solve for x
    x = 801,894,629,221.76/1,029,551.82
  6. Step 6: Final answer
    x = 778,877.38

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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.