Home / 1,461,769.52-2,191,656.44-778,758.48

Finding the Fourth Proportional to 1,461,769.52, 2,191,656.44 and 778,758.48

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Solution

The fourth proportional to 1,461,769.52, 2,191,656.44 and 778,758.48 is: 1,167,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,769.52 : 2,191,656.44 = 778,758.48 : x
  2. Step 2: Convert to fraction form
    1,461,769.52/2,191,656.44 = 778,758.48/x
  3. Step 3: Cross multiply
    1,461,769.52x = 2,191,656.44 × 778,758.48
  4. Step 4: Simplify right side
    1,461,769.52x = 1,706,771,034,002.82
  5. Step 5: Solve for x
    x = 1,706,771,034,002.82/1,461,769.52
  6. Step 6: Final answer
    x = 1,167,606.12

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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.