Home / 1,174,148.06-1,620,296.91-690,744.33

Finding the Fourth Proportional to 1,174,148.06, 1,620,296.91 and 690,744.33

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Solution

The fourth proportional to 1,174,148.06, 1,620,296.91 and 690,744.33 is: 953,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,148.06 : 1,620,296.91 = 690,744.33 : x
  2. Step 2: Convert to fraction form
    1,174,148.06/1,620,296.91 = 690,744.33/x
  3. Step 3: Cross multiply
    1,174,148.06x = 1,620,296.91 × 690,744.33
  4. Step 4: Simplify right side
    1,174,148.06x = 1,119,210,903,499.02
  5. Step 5: Solve for x
    x = 1,119,210,903,499.02/1,174,148.06
  6. Step 6: Final answer
    x = 953,211.05

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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.