Home / 1,486,881.95-2,051,911.55-842,288.36

Finding the Fourth Proportional to 1,486,881.95, 2,051,911.55 and 842,288.36

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Solution

The fourth proportional to 1,486,881.95, 2,051,911.55 and 842,288.36 is: 1,162,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,881.95 : 2,051,911.55 = 842,288.36 : x
  2. Step 2: Convert to fraction form
    1,486,881.95/2,051,911.55 = 842,288.36/x
  3. Step 3: Cross multiply
    1,486,881.95x = 2,051,911.55 × 842,288.36
  4. Step 4: Simplify right side
    1,486,881.95x = 1,728,301,210,103.12
  5. Step 5: Solve for x
    x = 1,728,301,210,103.12/1,486,881.95
  6. Step 6: Final answer
    x = 1,162,366.12

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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.