Home / 1,280,237.44-1,766,701.68-707,272

Finding the Fourth Proportional to 1,280,237.44, 1,766,701.68 and 707,272

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Solution

The fourth proportional to 1,280,237.44, 1,766,701.68 and 707,272 is: 976,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,237.44 : 1,766,701.68 = 707,272 : x
  2. Step 2: Convert to fraction form
    1,280,237.44/1,766,701.68 = 707,272/x
  3. Step 3: Cross multiply
    1,280,237.44x = 1,766,701.68 × 707,272
  4. Step 4: Simplify right side
    1,280,237.44x = 1,249,538,630,616.96
  5. Step 5: Solve for x
    x = 1,249,538,630,616.96/1,280,237.44
  6. Step 6: Final answer
    x = 976,021.00

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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.