Home / 1,301,280.16-1,795,766.38-728,320.32

Finding the Fourth Proportional to 1,301,280.16, 1,795,766.38 and 728,320.32

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Solution

The fourth proportional to 1,301,280.16, 1,795,766.38 and 728,320.32 is: 1,005,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,280.16 : 1,795,766.38 = 728,320.32 : x
  2. Step 2: Convert to fraction form
    1,301,280.16/1,795,766.38 = 728,320.32/x
  3. Step 3: Cross multiply
    1,301,280.16x = 1,795,766.38 × 728,320.32
  4. Step 4: Simplify right side
    1,301,280.16x = 1,307,893,144,526.84
  5. Step 5: Solve for x
    x = 1,307,893,144,526.84/1,301,280.16
  6. Step 6: Final answer
    x = 1,005,081.91

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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.