Home / 977,117.20-1,465,675.80-819,653.20

Finding the Fourth Proportional to 977,117.20, 1,465,675.80 and 819,653.20

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Solution

The fourth proportional to 977,117.20, 1,465,675.80 and 819,653.20 is: 1,229,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,117.20 : 1,465,675.80 = 819,653.20 : x
  2. Step 2: Convert to fraction form
    977,117.20/1,465,675.80 = 819,653.20/x
  3. Step 3: Cross multiply
    977,117.20x = 1,465,675.80 × 819,653.20
  4. Step 4: Simplify right side
    977,117.20x = 1,201,345,859,632.56
  5. Step 5: Solve for x
    x = 1,201,345,859,632.56/977,117.20
  6. Step 6: Final answer
    x = 1,229,479.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.