Home / 1,240,651.36-1,712,749.08-834,886.72

Finding the Fourth Proportional to 1,240,651.36, 1,712,749.08 and 834,886.72

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Solution

The fourth proportional to 1,240,651.36, 1,712,749.08 and 834,886.72 is: 1,152,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,651.36 : 1,712,749.08 = 834,886.72 : x
  2. Step 2: Convert to fraction form
    1,240,651.36/1,712,749.08 = 834,886.72/x
  3. Step 3: Cross multiply
    1,240,651.36x = 1,712,749.08 × 834,886.72
  4. Step 4: Simplify right side
    1,240,651.36x = 1,429,951,461,584.22
  5. Step 5: Solve for x
    x = 1,429,951,461,584.22/1,240,651.36
  6. Step 6: Final answer
    x = 1,152,581.22

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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.