Home / 1,615,963.51-2,230,036.65-890,795.62

Finding the Fourth Proportional to 1,615,963.51, 2,230,036.65 and 890,795.62

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Solution

The fourth proportional to 1,615,963.51, 2,230,036.65 and 890,795.62 is: 1,229,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,963.51 : 2,230,036.65 = 890,795.62 : x
  2. Step 2: Convert to fraction form
    1,615,963.51/2,230,036.65 = 890,795.62/x
  3. Step 3: Cross multiply
    1,615,963.51x = 2,230,036.65 × 890,795.62
  4. Step 4: Simplify right side
    1,615,963.51x = 1,986,506,864,655.31
  5. Step 5: Solve for x
    x = 1,986,506,864,655.31/1,615,963.51
  6. Step 6: Final answer
    x = 1,229,301.81

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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.