Home / 1,345,357.80-2,017,032.30-812,766.60

Finding the Fourth Proportional to 1,345,357.80, 2,017,032.30 and 812,766.60

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Solution

The fourth proportional to 1,345,357.80, 2,017,032.30 and 812,766.60 is: 1,218,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,357.80 : 2,017,032.30 = 812,766.60 : x
  2. Step 2: Convert to fraction form
    1,345,357.80/2,017,032.30 = 812,766.60/x
  3. Step 3: Cross multiply
    1,345,357.80x = 2,017,032.30 × 812,766.60
  4. Step 4: Simplify right side
    1,345,357.80x = 1,639,376,484,561.18
  5. Step 5: Solve for x
    x = 1,639,376,484,561.18/1,345,357.80
  6. Step 6: Final answer
    x = 1,218,543.12

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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.