Home / 1,615,964.51-2,230,038.03-890,796.62

Finding the Fourth Proportional to 1,615,964.51, 2,230,038.03 and 890,796.62

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Solution

The fourth proportional to 1,615,964.51, 2,230,038.03 and 890,796.62 is: 1,229,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,964.51 : 2,230,038.03 = 890,796.62 : x
  2. Step 2: Convert to fraction form
    1,615,964.51/2,230,038.03 = 890,796.62/x
  3. Step 3: Cross multiply
    1,615,964.51x = 2,230,038.03 × 890,796.62
  4. Step 4: Simplify right side
    1,615,964.51x = 1,986,510,339,595.46
  5. Step 5: Solve for x
    x = 1,986,510,339,595.46/1,615,964.51
  6. Step 6: Final answer
    x = 1,229,303.20

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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.