Home / 1,007,627.85-1,390,653.56-577,898.75

Finding the Fourth Proportional to 1,007,627.85, 1,390,653.56 and 577,898.75

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Solution

The fourth proportional to 1,007,627.85, 1,390,653.56 and 577,898.75 is: 797,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,627.85 : 1,390,653.56 = 577,898.75 : x
  2. Step 2: Convert to fraction form
    1,007,627.85/1,390,653.56 = 577,898.75/x
  3. Step 3: Cross multiply
    1,007,627.85x = 1,390,653.56 × 577,898.75
  4. Step 4: Simplify right side
    1,007,627.85x = 803,656,958,928.43
  5. Step 5: Solve for x
    x = 803,656,958,928.43/1,007,627.85
  6. Step 6: Final answer
    x = 797,573.19

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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.