Home / 1,285,036.80-1,927,559.52-325,492.08

Finding the Fourth Proportional to 1,285,036.80, 1,927,559.52 and 325,492.08

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Solution

The fourth proportional to 1,285,036.80, 1,927,559.52 and 325,492.08 is: 488,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,036.80 : 1,927,559.52 = 325,492.08 : x
  2. Step 2: Convert to fraction form
    1,285,036.80/1,927,559.52 = 325,492.08/x
  3. Step 3: Cross multiply
    1,285,036.80x = 1,927,559.52 × 325,492.08
  4. Step 4: Simplify right side
    1,285,036.80x = 627,405,357,488.60
  5. Step 5: Solve for x
    x = 627,405,357,488.60/1,285,036.80
  6. Step 6: Final answer
    x = 488,239.21

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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.