Home / 1,092,129.40-1,637,027.70-417,950.20

Finding the Fourth Proportional to 1,092,129.40, 1,637,027.70 and 417,950.20

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Solution

The fourth proportional to 1,092,129.40, 1,637,027.70 and 417,950.20 is: 626,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,129.40 : 1,637,027.70 = 417,950.20 : x
  2. Step 2: Convert to fraction form
    1,092,129.40/1,637,027.70 = 417,950.20/x
  3. Step 3: Cross multiply
    1,092,129.40x = 1,637,027.70 × 417,950.20
  4. Step 4: Simplify right side
    1,092,129.40x = 684,196,054,620.54
  5. Step 5: Solve for x
    x = 684,196,054,620.54/1,092,129.40
  6. Step 6: Final answer
    x = 626,478.93

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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.