Home / 1,301,187.64-1,795,648.08-728,281.12

Finding the Fourth Proportional to 1,301,187.64, 1,795,648.08 and 728,281.12

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Solution

The fourth proportional to 1,301,187.64, 1,795,648.08 and 728,281.12 is: 1,005,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,187.64 : 1,795,648.08 = 728,281.12 : x
  2. Step 2: Convert to fraction form
    1,301,187.64/1,795,648.08 = 728,281.12/x
  3. Step 3: Cross multiply
    1,301,187.64x = 1,795,648.08 × 728,281.12
  4. Step 4: Simplify right side
    1,301,187.64x = 1,307,736,594,828.25
  5. Step 5: Solve for x
    x = 1,307,736,594,828.25/1,301,187.64
  6. Step 6: Final answer
    x = 1,005,033.06

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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.