Home / 1,274,154.58-1,909,899.12-475,088.50

Finding the Fourth Proportional to 1,274,154.58, 1,909,899.12 and 475,088.50

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Solution

The fourth proportional to 1,274,154.58, 1,909,899.12 and 475,088.50 is: 712,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,154.58 : 1,909,899.12 = 475,088.50 : x
  2. Step 2: Convert to fraction form
    1,274,154.58/1,909,899.12 = 475,088.50/x
  3. Step 3: Cross multiply
    1,274,154.58x = 1,909,899.12 × 475,088.50
  4. Step 4: Simplify right side
    1,274,154.58x = 907,371,108,072.12
  5. Step 5: Solve for x
    x = 907,371,108,072.12/1,274,154.58
  6. Step 6: Final answer
    x = 712,135.81

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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.