Home / 1,308,261.60-1,805,417.28-792,008.64

Finding the Fourth Proportional to 1,308,261.60, 1,805,417.28 and 792,008.64

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Solution

The fourth proportional to 1,308,261.60, 1,805,417.28 and 792,008.64 is: 1,092,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,261.60 : 1,805,417.28 = 792,008.64 : x
  2. Step 2: Convert to fraction form
    1,308,261.60/1,805,417.28 = 792,008.64/x
  3. Step 3: Cross multiply
    1,308,261.60x = 1,805,417.28 × 792,008.64
  4. Step 4: Simplify right side
    1,308,261.60x = 1,429,906,084,565.30
  5. Step 5: Solve for x
    x = 1,429,906,084,565.30/1,308,261.60
  6. Step 6: Final answer
    x = 1,092,981.77

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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.