Home / 1,372,564.04-2,056,822.95-764,515.31

Finding the Fourth Proportional to 1,372,564.04, 2,056,822.95 and 764,515.31

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Solution

The fourth proportional to 1,372,564.04, 2,056,822.95 and 764,515.31 is: 1,145,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,564.04 : 2,056,822.95 = 764,515.31 : x
  2. Step 2: Convert to fraction form
    1,372,564.04/2,056,822.95 = 764,515.31/x
  3. Step 3: Cross multiply
    1,372,564.04x = 2,056,822.95 × 764,515.31
  4. Step 4: Simplify right side
    1,372,564.04x = 1,572,472,637,236.61
  5. Step 5: Solve for x
    x = 1,572,472,637,236.61/1,372,564.04
  6. Step 6: Final answer
    x = 1,145,646.10

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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.