Home / 1,210,718.80-1,816,078.20-896,568.40

Finding the Fourth Proportional to 1,210,718.80, 1,816,078.20 and 896,568.40

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Solution

The fourth proportional to 1,210,718.80, 1,816,078.20 and 896,568.40 is: 1,344,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,718.80 : 1,816,078.20 = 896,568.40 : x
  2. Step 2: Convert to fraction form
    1,210,718.80/1,816,078.20 = 896,568.40/x
  3. Step 3: Cross multiply
    1,210,718.80x = 1,816,078.20 × 896,568.40
  4. Step 4: Simplify right side
    1,210,718.80x = 1,628,238,326,048.88
  5. Step 5: Solve for x
    x = 1,628,238,326,048.88/1,210,718.80
  6. Step 6: Final answer
    x = 1,344,852.60

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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.