Home / 1,615,215.04-2,229,094.32-890,061.52

Finding the Fourth Proportional to 1,615,215.04, 2,229,094.32 and 890,061.52

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Solution

The fourth proportional to 1,615,215.04, 2,229,094.32 and 890,061.52 is: 1,228,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,215.04 : 2,229,094.32 = 890,061.52 : x
  2. Step 2: Convert to fraction form
    1,615,215.04/2,229,094.32 = 890,061.52/x
  3. Step 3: Cross multiply
    1,615,215.04x = 2,229,094.32 × 890,061.52
  4. Step 4: Simplify right side
    1,615,215.04x = 1,984,031,078,682.57
  5. Step 5: Solve for x
    x = 1,984,031,078,682.57/1,615,215.04
  6. Step 6: Final answer
    x = 1,228,338.66

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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.