Home / 1,130,848.20-1,696,272.30-289,399.95

Finding the Fourth Proportional to 1,130,848.20, 1,696,272.30 and 289,399.95

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Solution

The fourth proportional to 1,130,848.20, 1,696,272.30 and 289,399.95 is: 434,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,848.20 : 1,696,272.30 = 289,399.95 : x
  2. Step 2: Convert to fraction form
    1,130,848.20/1,696,272.30 = 289,399.95/x
  3. Step 3: Cross multiply
    1,130,848.20x = 1,696,272.30 × 289,399.95
  4. Step 4: Simplify right side
    1,130,848.20x = 490,901,118,806.39
  5. Step 5: Solve for x
    x = 490,901,118,806.39/1,130,848.20
  6. Step 6: Final answer
    x = 434,099.93

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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.