Home / 1,216,310-1,824,525.48-861,724.40

Finding the Fourth Proportional to 1,216,310, 1,824,525.48 and 861,724.40

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Solution

The fourth proportional to 1,216,310, 1,824,525.48 and 861,724.40 is: 1,292,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,310 : 1,824,525.48 = 861,724.40 : x
  2. Step 2: Convert to fraction form
    1,216,310/1,824,525.48 = 861,724.40/x
  3. Step 3: Cross multiply
    1,216,310x = 1,824,525.48 × 861,724.40
  4. Step 4: Simplify right side
    1,216,310x = 1,572,238,124,537.71
  5. Step 5: Solve for x
    x = 1,572,238,124,537.71/1,216,310
  6. Step 6: Final answer
    x = 1,292,629.45

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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.