Home / 1,305,136.76-1,957,479.40-345,606.16

Finding the Fourth Proportional to 1,305,136.76, 1,957,479.40 and 345,606.16

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Solution

The fourth proportional to 1,305,136.76, 1,957,479.40 and 345,606.16 is: 518,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,136.76 : 1,957,479.40 = 345,606.16 : x
  2. Step 2: Convert to fraction form
    1,305,136.76/1,957,479.40 = 345,606.16/x
  3. Step 3: Cross multiply
    1,305,136.76x = 1,957,479.40 × 345,606.16
  4. Step 4: Simplify right side
    1,305,136.76x = 676,516,938,713.10
  5. Step 5: Solve for x
    x = 676,516,938,713.10/1,305,136.76
  6. Step 6: Final answer
    x = 518,349.46

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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.