Home / 1,345,290.57-2,017,342.19-385,528.36

Finding the Fourth Proportional to 1,345,290.57, 2,017,342.19 and 385,528.36

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Solution

The fourth proportional to 1,345,290.57, 2,017,342.19 and 385,528.36 is: 578,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,290.57 : 2,017,342.19 = 385,528.36 : x
  2. Step 2: Convert to fraction form
    1,345,290.57/2,017,342.19 = 385,528.36/x
  3. Step 3: Cross multiply
    1,345,290.57x = 2,017,342.19 × 385,528.36
  4. Step 4: Simplify right side
    1,345,290.57x = 777,742,633,463.84
  5. Step 5: Solve for x
    x = 777,742,633,463.84/1,345,290.57
  6. Step 6: Final answer
    x = 578,122.42

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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.