Home / 1,000,805.72-1,381,210.40-571,150.44

Finding the Fourth Proportional to 1,000,805.72, 1,381,210.40 and 571,150.44

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Solution

The fourth proportional to 1,000,805.72, 1,381,210.40 and 571,150.44 is: 788,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,805.72 : 1,381,210.40 = 571,150.44 : x
  2. Step 2: Convert to fraction form
    1,000,805.72/1,381,210.40 = 571,150.44/x
  3. Step 3: Cross multiply
    1,000,805.72x = 1,381,210.40 × 571,150.44
  4. Step 4: Simplify right side
    1,000,805.72x = 788,878,927,692.58
  5. Step 5: Solve for x
    x = 788,878,927,692.58/1,000,805.72
  6. Step 6: Final answer
    x = 788,243.82

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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.