Home / 987,965.56-1,362,823.95-595,225.72

Finding the Fourth Proportional to 987,965.56, 1,362,823.95 and 595,225.72

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Solution

The fourth proportional to 987,965.56, 1,362,823.95 and 595,225.72 is: 821,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,965.56 : 1,362,823.95 = 595,225.72 : x
  2. Step 2: Convert to fraction form
    987,965.56/1,362,823.95 = 595,225.72/x
  3. Step 3: Cross multiply
    987,965.56x = 1,362,823.95 × 595,225.72
  4. Step 4: Simplify right side
    987,965.56x = 811,187,866,871.99
  5. Step 5: Solve for x
    x = 811,187,866,871.99/987,965.56
  6. Step 6: Final answer
    x = 821,068.97

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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.