Home / 1,636,830.57-2,258,826.86-948,901.26

Finding the Fourth Proportional to 1,636,830.57, 2,258,826.86 and 948,901.26

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Solution

The fourth proportional to 1,636,830.57, 2,258,826.86 and 948,901.26 is: 1,309,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,830.57 : 2,258,826.86 = 948,901.26 : x
  2. Step 2: Convert to fraction form
    1,636,830.57/2,258,826.86 = 948,901.26/x
  3. Step 3: Cross multiply
    1,636,830.57x = 2,258,826.86 × 948,901.26
  4. Step 4: Simplify right side
    1,636,830.57x = 2,143,403,661,749.91
  5. Step 5: Solve for x
    x = 2,143,403,661,749.91/1,636,830.57
  6. Step 6: Final answer
    x = 1,309,484.14

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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.