Home / 1,640,278.60-2,460,417.90-965,667.40

Finding the Fourth Proportional to 1,640,278.60, 2,460,417.90 and 965,667.40

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Solution

The fourth proportional to 1,640,278.60, 2,460,417.90 and 965,667.40 is: 1,448,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,278.60 : 2,460,417.90 = 965,667.40 : x
  2. Step 2: Convert to fraction form
    1,640,278.60/2,460,417.90 = 965,667.40/x
  3. Step 3: Cross multiply
    1,640,278.60x = 2,460,417.90 × 965,667.40
  4. Step 4: Simplify right side
    1,640,278.60x = 2,375,945,356,406.46
  5. Step 5: Solve for x
    x = 2,375,945,356,406.46/1,640,278.60
  6. Step 6: Final answer
    x = 1,448,501.10

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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.