Home / 1,128,239.94-1,692,520.86-370,140.66

Finding the Fourth Proportional to 1,128,239.94, 1,692,520.86 and 370,140.66

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Solution

The fourth proportional to 1,128,239.94, 1,692,520.86 and 370,140.66 is: 555,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,239.94 : 1,692,520.86 = 370,140.66 : x
  2. Step 2: Convert to fraction form
    1,128,239.94/1,692,520.86 = 370,140.66/x
  3. Step 3: Cross multiply
    1,128,239.94x = 1,692,520.86 × 370,140.66
  4. Step 4: Simplify right side
    1,128,239.94x = 626,470,788,184.17
  5. Step 5: Solve for x
    x = 626,470,788,184.17/1,128,239.94
  6. Step 6: Final answer
    x = 555,263.79

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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.