Home / 1,676,123-2,313,005.42-912,160.16

Finding the Fourth Proportional to 1,676,123, 2,313,005.42 and 912,160.16

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Solution

The fourth proportional to 1,676,123, 2,313,005.42 and 912,160.16 is: 1,258,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,123 : 2,313,005.42 = 912,160.16 : x
  2. Step 2: Convert to fraction form
    1,676,123/2,313,005.42 = 912,160.16/x
  3. Step 3: Cross multiply
    1,676,123x = 2,313,005.42 × 912,160.16
  4. Step 4: Simplify right side
    1,676,123x = 2,109,831,393,988.07
  5. Step 5: Solve for x
    x = 2,109,831,393,988.07/1,676,123
  6. Step 6: Final answer
    x = 1,258,756.90

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1.5x scale

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.