Home / 1,028,712.74-1,419,643.64-615,674.75

Finding the Fourth Proportional to 1,028,712.74, 1,419,643.64 and 615,674.75

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Solution

The fourth proportional to 1,028,712.74, 1,419,643.64 and 615,674.75 is: 849,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,712.74 : 1,419,643.64 = 615,674.75 : x
  2. Step 2: Convert to fraction form
    1,028,712.74/1,419,643.64 = 615,674.75/x
  3. Step 3: Cross multiply
    1,028,712.74x = 1,419,643.64 × 615,674.75
  4. Step 4: Simplify right side
    1,028,712.74x = 874,038,737,587.06
  5. Step 5: Solve for x
    x = 874,038,737,587.06/1,028,712.74
  6. Step 6: Final answer
    x = 849,643.16

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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.