Home / 1,411,867.32-1,948,392.09-767,287.64

Finding the Fourth Proportional to 1,411,867.32, 1,948,392.09 and 767,287.64

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Solution

The fourth proportional to 1,411,867.32, 1,948,392.09 and 767,287.64 is: 1,058,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,867.32 : 1,948,392.09 = 767,287.64 : x
  2. Step 2: Convert to fraction form
    1,411,867.32/1,948,392.09 = 767,287.64/x
  3. Step 3: Cross multiply
    1,411,867.32x = 1,948,392.09 × 767,287.64
  4. Step 4: Simplify right side
    1,411,867.32x = 1,494,977,168,530.77
  5. Step 5: Solve for x
    x = 1,494,977,168,530.77/1,411,867.32
  6. Step 6: Final answer
    x = 1,058,865.20

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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.