Home / 1,000,962.72-1,381,312.98-571,231.80

Finding the Fourth Proportional to 1,000,962.72, 1,381,312.98 and 571,231.80

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Solution

The fourth proportional to 1,000,962.72, 1,381,312.98 and 571,231.80 is: 788,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,962.72 : 1,381,312.98 = 571,231.80 : x
  2. Step 2: Convert to fraction form
    1,000,962.72/1,381,312.98 = 571,231.80/x
  3. Step 3: Cross multiply
    1,000,962.72x = 1,381,312.98 × 571,231.80
  4. Step 4: Simplify right side
    1,000,962.72x = 789,049,899,928.76
  5. Step 5: Solve for x
    x = 789,049,899,928.76/1,000,962.72
  6. Step 6: Final answer
    x = 788,291.00

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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.