Home / 1,870,409.92-2,805,381.60-748,488.64

Finding the Fourth Proportional to 1,870,409.92, 2,805,381.60 and 748,488.64

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Solution

The fourth proportional to 1,870,409.92, 2,805,381.60 and 748,488.64 is: 1,122,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,409.92 : 2,805,381.60 = 748,488.64 : x
  2. Step 2: Convert to fraction form
    1,870,409.92/2,805,381.60 = 748,488.64/x
  3. Step 3: Cross multiply
    1,870,409.92x = 2,805,381.60 × 748,488.64
  4. Step 4: Simplify right side
    1,870,409.92x = 2,099,796,258,465.02
  5. Step 5: Solve for x
    x = 2,099,796,258,465.02/1,870,409.92
  6. Step 6: Final answer
    x = 1,122,639.61

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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.