Home / 1,640,310.40-2,460,465.60-753,846.40

Finding the Fourth Proportional to 1,640,310.40, 2,460,465.60 and 753,846.40

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Solution

The fourth proportional to 1,640,310.40, 2,460,465.60 and 753,846.40 is: 1,130,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,310.40 : 2,460,465.60 = 753,846.40 : x
  2. Step 2: Convert to fraction form
    1,640,310.40/2,460,465.60 = 753,846.40/x
  3. Step 3: Cross multiply
    1,640,310.40x = 2,460,465.60 × 753,846.40
  4. Step 4: Simplify right side
    1,640,310.40x = 1,854,813,134,883.84
  5. Step 5: Solve for x
    x = 1,854,813,134,883.84/1,640,310.40
  6. Step 6: Final answer
    x = 1,130,769.60

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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.