Home / 1,643,430.03-2,267,928.68-908,379.39

Finding the Fourth Proportional to 1,643,430.03, 2,267,928.68 and 908,379.39

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Solution

The fourth proportional to 1,643,430.03, 2,267,928.68 and 908,379.39 is: 1,253,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,430.03 : 2,267,928.68 = 908,379.39 : x
  2. Step 2: Convert to fraction form
    1,643,430.03/2,267,928.68 = 908,379.39/x
  3. Step 3: Cross multiply
    1,643,430.03x = 2,267,928.68 × 908,379.39
  4. Step 4: Simplify right side
    1,643,430.03x = 2,060,139,666,360.01
  5. Step 5: Solve for x
    x = 2,060,139,666,360.01/1,643,430.03
  6. Step 6: Final answer
    x = 1,253,560.92

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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.