Home / 1,267,248-1,748,371.68-722,992.80

Finding the Fourth Proportional to 1,267,248, 1,748,371.68 and 722,992.80

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Solution

The fourth proportional to 1,267,248, 1,748,371.68 and 722,992.80 is: 997,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,248 : 1,748,371.68 = 722,992.80 : x
  2. Step 2: Convert to fraction form
    1,267,248/1,748,371.68 = 722,992.80/x
  3. Step 3: Cross multiply
    1,267,248x = 1,748,371.68 × 722,992.80
  4. Step 4: Simplify right side
    1,267,248x = 1,264,060,136,363.90
  5. Step 5: Solve for x
    x = 1,264,060,136,363.90/1,267,248
  6. Step 6: Final answer
    x = 997,484.42

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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.