Home / 1,030,202.88-1,421,725.95-571,286.58

Finding the Fourth Proportional to 1,030,202.88, 1,421,725.95 and 571,286.58

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Solution

The fourth proportional to 1,030,202.88, 1,421,725.95 and 571,286.58 is: 788,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,202.88 : 1,421,725.95 = 571,286.58 : x
  2. Step 2: Convert to fraction form
    1,030,202.88/1,421,725.95 = 571,286.58/x
  3. Step 3: Cross multiply
    1,030,202.88x = 1,421,725.95 × 571,286.58
  4. Step 4: Simplify right side
    1,030,202.88x = 812,212,955,672.75
  5. Step 5: Solve for x
    x = 812,212,955,672.75/1,030,202.88
  6. Step 6: Final answer
    x = 788,400.98

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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.