Home / 1,258,087.20-1,887,686.36-976,226.64

Finding the Fourth Proportional to 1,258,087.20, 1,887,686.36 and 976,226.64

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Solution

The fourth proportional to 1,258,087.20, 1,887,686.36 and 976,226.64 is: 1,464,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,087.20 : 1,887,686.36 = 976,226.64 : x
  2. Step 2: Convert to fraction form
    1,258,087.20/1,887,686.36 = 976,226.64/x
  3. Step 3: Cross multiply
    1,258,087.20x = 1,887,686.36 × 976,226.64
  4. Step 4: Simplify right side
    1,258,087.20x = 1,842,809,712,596.63
  5. Step 5: Solve for x
    x = 1,842,809,712,596.63/1,258,087.20
  6. Step 6: Final answer
    x = 1,464,771.05

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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.