Home / 680,579.10-1,020,790.89-181,981.98

Finding the Fourth Proportional to 680,579.10, 1,020,790.89 and 181,981.98

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Solution

The fourth proportional to 680,579.10, 1,020,790.89 and 181,981.98 is: 272,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,579.10 : 1,020,790.89 = 181,981.98 : x
  2. Step 2: Convert to fraction form
    680,579.10/1,020,790.89 = 181,981.98/x
  3. Step 3: Cross multiply
    680,579.10x = 1,020,790.89 × 181,981.98
  4. Step 4: Simplify right side
    680,579.10x = 185,765,547,328.16
  5. Step 5: Solve for x
    x = 185,765,547,328.16/680,579.10
  6. Step 6: Final answer
    x = 272,952.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.