Home / 1,690,015-2,332,220.70-974,623

Finding the Fourth Proportional to 1,690,015, 2,332,220.70 and 974,623

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Solution

The fourth proportional to 1,690,015, 2,332,220.70 and 974,623 is: 1,344,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,015 : 2,332,220.70 = 974,623 : x
  2. Step 2: Convert to fraction form
    1,690,015/2,332,220.70 = 974,623/x
  3. Step 3: Cross multiply
    1,690,015x = 2,332,220.70 × 974,623
  4. Step 4: Simplify right side
    1,690,015x = 2,273,035,935,296.10
  5. Step 5: Solve for x
    x = 2,273,035,935,296.10/1,690,015
  6. Step 6: Final answer
    x = 1,344,979.74

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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.