Home / 907,577.80-1,361,366.70-781,606.60

Finding the Fourth Proportional to 907,577.80, 1,361,366.70 and 781,606.60

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Solution

The fourth proportional to 907,577.80, 1,361,366.70 and 781,606.60 is: 1,172,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,577.80 : 1,361,366.70 = 781,606.60 : x
  2. Step 2: Convert to fraction form
    907,577.80/1,361,366.70 = 781,606.60/x
  3. Step 3: Cross multiply
    907,577.80x = 1,361,366.70 × 781,606.60
  4. Step 4: Simplify right side
    907,577.80x = 1,064,053,197,740.22
  5. Step 5: Solve for x
    x = 1,064,053,197,740.22/907,577.80
  6. Step 6: Final answer
    x = 1,172,409.90

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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.