Home / 1,043,409.80-1,565,114.70-931,216.70

Finding the Fourth Proportional to 1,043,409.80, 1,565,114.70 and 931,216.70

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Solution

The fourth proportional to 1,043,409.80, 1,565,114.70 and 931,216.70 is: 1,396,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,409.80 : 1,565,114.70 = 931,216.70 : x
  2. Step 2: Convert to fraction form
    1,043,409.80/1,565,114.70 = 931,216.70/x
  3. Step 3: Cross multiply
    1,043,409.80x = 1,565,114.70 × 931,216.70
  4. Step 4: Simplify right side
    1,043,409.80x = 1,457,460,946,055.49
  5. Step 5: Solve for x
    x = 1,457,460,946,055.49/1,043,409.80
  6. Step 6: Final answer
    x = 1,396,825.05

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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.