Home / 1,119,078.66-1,677,422.64-638,271.15

Finding the Fourth Proportional to 1,119,078.66, 1,677,422.64 and 638,271.15

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Solution

The fourth proportional to 1,119,078.66, 1,677,422.64 and 638,271.15 is: 956,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,078.66 : 1,677,422.64 = 638,271.15 : x
  2. Step 2: Convert to fraction form
    1,119,078.66/1,677,422.64 = 638,271.15/x
  3. Step 3: Cross multiply
    1,119,078.66x = 1,677,422.64 × 638,271.15
  4. Step 4: Simplify right side
    1,119,078.66x = 1,070,650,477,468.84
  5. Step 5: Solve for x
    x = 1,070,650,477,468.84/1,119,078.66
  6. Step 6: Final answer
    x = 956,724.95

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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.