Home / 1,174,488.90-1,620,717.90-690,960.60

Finding the Fourth Proportional to 1,174,488.90, 1,620,717.90 and 690,960.60

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Solution

The fourth proportional to 1,174,488.90, 1,620,717.90 and 690,960.60 is: 953,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,488.90 : 1,620,717.90 = 690,960.60 : x
  2. Step 2: Convert to fraction form
    1,174,488.90/1,620,717.90 = 690,960.60/x
  3. Step 3: Cross multiply
    1,174,488.90x = 1,620,717.90 × 690,960.60
  4. Step 4: Simplify right side
    1,174,488.90x = 1,119,852,212,614.74
  5. Step 5: Solve for x
    x = 1,119,852,212,614.74/1,174,488.90
  6. Step 6: Final answer
    x = 953,480.46

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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.