Home / 1,615,730.42-2,229,606.59-890,538.23

Finding the Fourth Proportional to 1,615,730.42, 2,229,606.59 and 890,538.23

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Solution

The fourth proportional to 1,615,730.42, 2,229,606.59 and 890,538.23 is: 1,228,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,730.42 : 2,229,606.59 = 890,538.23 : x
  2. Step 2: Convert to fraction form
    1,615,730.42/2,229,606.59 = 890,538.23/x
  3. Step 3: Cross multiply
    1,615,730.42x = 2,229,606.59 × 890,538.23
  4. Step 4: Simplify right side
    1,615,730.42x = 1,985,549,901,802.24
  5. Step 5: Solve for x
    x = 1,985,549,901,802.24/1,615,730.42
  6. Step 6: Final answer
    x = 1,228,886.87

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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.