Home / 1,615,965.01-2,230,038.72-890,797.12

Finding the Fourth Proportional to 1,615,965.01, 2,230,038.72 and 890,797.12

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Solution

The fourth proportional to 1,615,965.01, 2,230,038.72 and 890,797.12 is: 1,229,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,965.01 : 2,230,038.72 = 890,797.12 : x
  2. Step 2: Convert to fraction form
    1,615,965.01/2,230,038.72 = 890,797.12/x
  3. Step 3: Cross multiply
    1,615,965.01x = 2,230,038.72 × 890,797.12
  4. Step 4: Simplify right side
    1,615,965.01x = 1,986,512,069,264.49
  5. Step 5: Solve for x
    x = 1,986,512,069,264.49/1,615,965.01
  6. Step 6: Final answer
    x = 1,229,303.89

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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.