Home / 1,676,108.40-2,313,078.03-912,210.36

Finding the Fourth Proportional to 1,676,108.40, 2,313,078.03 and 912,210.36

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Solution

The fourth proportional to 1,676,108.40, 2,313,078.03 and 912,210.36 is: 1,258,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,108.40 : 2,313,078.03 = 912,210.36 : x
  2. Step 2: Convert to fraction form
    1,676,108.40/2,313,078.03 = 912,210.36/x
  3. Step 3: Cross multiply
    1,676,108.40x = 2,313,078.03 × 912,210.36
  4. Step 4: Simplify right side
    1,676,108.40x = 2,110,013,742,454.39
  5. Step 5: Solve for x
    x = 2,110,013,742,454.39/1,676,108.40
  6. Step 6: Final answer
    x = 1,258,876.66

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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.