Home / 1,688,158.73-2,329,953.51-1,000,217.90

Finding the Fourth Proportional to 1,688,158.73, 2,329,953.51 and 1,000,217.90

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Solution

The fourth proportional to 1,688,158.73, 2,329,953.51 and 1,000,217.90 is: 1,380,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,158.73 : 2,329,953.51 = 1,000,217.90 : x
  2. Step 2: Convert to fraction form
    1,688,158.73/2,329,953.51 = 1,000,217.90/x
  3. Step 3: Cross multiply
    1,688,158.73x = 2,329,953.51 × 1,000,217.90
  4. Step 4: Simplify right side
    1,688,158.73x = 2,330,461,195,220.06
  5. Step 5: Solve for x
    x = 2,330,461,195,220.06/1,688,158.73
  6. Step 6: Final answer
    x = 1,380,475.17

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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.