Home / 1,870,628.40-2,804,696.64-672,395.04

Finding the Fourth Proportional to 1,870,628.40, 2,804,696.64 and 672,395.04

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Solution

The fourth proportional to 1,870,628.40, 2,804,696.64 and 672,395.04 is: 1,008,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,628.40 : 2,804,696.64 = 672,395.04 : x
  2. Step 2: Convert to fraction form
    1,870,628.40/2,804,696.64 = 672,395.04/x
  3. Step 3: Cross multiply
    1,870,628.40x = 2,804,696.64 × 672,395.04
  4. Step 4: Simplify right side
    1,870,628.40x = 1,885,864,109,440.67
  5. Step 5: Solve for x
    x = 1,885,864,109,440.67/1,870,628.40
  6. Step 6: Final answer
    x = 1,008,144.70

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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.