Home / 907,654.91-1,249,862.13-887,515.47

Finding the Fourth Proportional to 907,654.91, 1,249,862.13 and 887,515.47

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Solution

The fourth proportional to 907,654.91, 1,249,862.13 and 887,515.47 is: 1,222,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,654.91 : 1,249,862.13 = 887,515.47 : x
  2. Step 2: Convert to fraction form
    907,654.91/1,249,862.13 = 887,515.47/x
  3. Step 3: Cross multiply
    907,654.91x = 1,249,862.13 × 887,515.47
  4. Step 4: Simplify right side
    907,654.91x = 1,109,271,975,742.15
  5. Step 5: Solve for x
    x = 1,109,271,975,742.15/907,654.91
  6. Step 6: Final answer
    x = 1,222,129.65

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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.