Home / 1,065,222.50-1,470,050.80-612,513.50

Finding the Fourth Proportional to 1,065,222.50, 1,470,050.80 and 612,513.50

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Solution

The fourth proportional to 1,065,222.50, 1,470,050.80 and 612,513.50 is: 845,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,222.50 : 1,470,050.80 = 612,513.50 : x
  2. Step 2: Convert to fraction form
    1,065,222.50/1,470,050.80 = 612,513.50/x
  3. Step 3: Cross multiply
    1,065,222.50x = 1,470,050.80 × 612,513.50
  4. Step 4: Simplify right side
    1,065,222.50x = 900,425,960,685.80
  5. Step 5: Solve for x
    x = 900,425,960,685.80/1,065,222.50
  6. Step 6: Final answer
    x = 845,293.79

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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.