Home / 966,359.76-1,447,643.34-786,638.40

Finding the Fourth Proportional to 966,359.76, 1,447,643.34 and 786,638.40

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Solution

The fourth proportional to 966,359.76, 1,447,643.34 and 786,638.40 is: 1,178,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,359.76 : 1,447,643.34 = 786,638.40 : x
  2. Step 2: Convert to fraction form
    966,359.76/1,447,643.34 = 786,638.40/x
  3. Step 3: Cross multiply
    966,359.76x = 1,447,643.34 × 786,638.40
  4. Step 4: Simplify right side
    966,359.76x = 1,138,771,840,748.26
  5. Step 5: Solve for x
    x = 1,138,771,840,748.26/966,359.76
  6. Step 6: Final answer
    x = 1,178,413.97

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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.