Home / 1,613,295.04-2,421,436.20-815,138.32

Finding the Fourth Proportional to 1,613,295.04, 2,421,436.20 and 815,138.32

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Solution

The fourth proportional to 1,613,295.04, 2,421,436.20 and 815,138.32 is: 1,223,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,295.04 : 2,421,436.20 = 815,138.32 : x
  2. Step 2: Convert to fraction form
    1,613,295.04/2,421,436.20 = 815,138.32/x
  3. Step 3: Cross multiply
    1,613,295.04x = 2,421,436.20 × 815,138.32
  4. Step 4: Simplify right side
    1,613,295.04x = 1,973,805,436,055.18
  5. Step 5: Solve for x
    x = 1,973,805,436,055.18/1,613,295.04
  6. Step 6: Final answer
    x = 1,223,462.16

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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.