Home / 1,640,252.10-2,460,378.15-458,300.10

Finding the Fourth Proportional to 1,640,252.10, 2,460,378.15 and 458,300.10

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Solution

The fourth proportional to 1,640,252.10, 2,460,378.15 and 458,300.10 is: 687,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,252.10 : 2,460,378.15 = 458,300.10 : x
  2. Step 2: Convert to fraction form
    1,640,252.10/2,460,378.15 = 458,300.10/x
  3. Step 3: Cross multiply
    1,640,252.10x = 2,460,378.15 × 458,300.10
  4. Step 4: Simplify right side
    1,640,252.10x = 1,127,591,552,182.82
  5. Step 5: Solve for x
    x = 1,127,591,552,182.82/1,640,252.10
  6. Step 6: Final answer
    x = 687,450.15

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1.5x scale

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.