Home / 1,640,353.60-2,460,530.40-965,742.40

Finding the Fourth Proportional to 1,640,353.60, 2,460,530.40 and 965,742.40

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Solution

The fourth proportional to 1,640,353.60, 2,460,530.40 and 965,742.40 is: 1,448,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,353.60 : 2,460,530.40 = 965,742.40 : x
  2. Step 2: Convert to fraction form
    1,640,353.60/2,460,530.40 = 965,742.40/x
  3. Step 3: Cross multiply
    1,640,353.60x = 2,460,530.40 × 965,742.40
  4. Step 4: Simplify right side
    1,640,353.60x = 2,376,238,533,768.96
  5. Step 5: Solve for x
    x = 2,376,238,533,768.96/1,640,353.60
  6. Step 6: Final answer
    x = 1,448,613.60

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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.