Home / 1,251,088.72-1,725,133.08-929,395.60

Finding the Fourth Proportional to 1,251,088.72, 1,725,133.08 and 929,395.60

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Solution

The fourth proportional to 1,251,088.72, 1,725,133.08 and 929,395.60 is: 1,281,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,088.72 : 1,725,133.08 = 929,395.60 : x
  2. Step 2: Convert to fraction form
    1,251,088.72/1,725,133.08 = 929,395.60/x
  3. Step 3: Cross multiply
    1,251,088.72x = 1,725,133.08 × 929,395.60
  4. Step 4: Simplify right side
    1,251,088.72x = 1,603,331,093,966.45
  5. Step 5: Solve for x
    x = 1,603,331,093,966.45/1,251,088.72
  6. Step 6: Final answer
    x = 1,281,548.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.