Home / 1,087,246.70-1,627,644.45-808,001.90

Finding the Fourth Proportional to 1,087,246.70, 1,627,644.45 and 808,001.90

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Solution

The fourth proportional to 1,087,246.70, 1,627,644.45 and 808,001.90 is: 1,209,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,246.70 : 1,627,644.45 = 808,001.90 : x
  2. Step 2: Convert to fraction form
    1,087,246.70/1,627,644.45 = 808,001.90/x
  3. Step 3: Cross multiply
    1,087,246.70x = 1,627,644.45 × 808,001.90
  4. Step 4: Simplify right side
    1,087,246.70x = 1,315,139,808,124.46
  5. Step 5: Solve for x
    x = 1,315,139,808,124.46/1,087,246.70
  6. Step 6: Final answer
    x = 1,209,605.70

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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.