Home / 1,298,677.68-1,792,148.70-717,925.32

Finding the Fourth Proportional to 1,298,677.68, 1,792,148.70 and 717,925.32

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Solution

The fourth proportional to 1,298,677.68, 1,792,148.70 and 717,925.32 is: 990,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,677.68 : 1,792,148.70 = 717,925.32 : x
  2. Step 2: Convert to fraction form
    1,298,677.68/1,792,148.70 = 717,925.32/x
  3. Step 3: Cross multiply
    1,298,677.68x = 1,792,148.70 × 717,925.32
  4. Step 4: Simplify right side
    1,298,677.68x = 1,286,628,928,935.08
  5. Step 5: Solve for x
    x = 1,286,628,928,935.08/1,298,677.68
  6. Step 6: Final answer
    x = 990,722.29

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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.