Home / 1,205,852.40-1,806,154.20-731,710.80

Finding the Fourth Proportional to 1,205,852.40, 1,806,154.20 and 731,710.80

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Solution

The fourth proportional to 1,205,852.40, 1,806,154.20 and 731,710.80 is: 1,095,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,852.40 : 1,806,154.20 = 731,710.80 : x
  2. Step 2: Convert to fraction form
    1,205,852.40/1,806,154.20 = 731,710.80/x
  3. Step 3: Cross multiply
    1,205,852.40x = 1,806,154.20 × 731,710.80
  4. Step 4: Simplify right side
    1,205,852.40x = 1,321,582,534,605.36
  5. Step 5: Solve for x
    x = 1,321,582,534,605.36/1,205,852.40
  6. Step 6: Final answer
    x = 1,095,973.72

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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.