Home / 1,108,032.60-1,662,048.90-919,075.80

Finding the Fourth Proportional to 1,108,032.60, 1,662,048.90 and 919,075.80

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Solution

The fourth proportional to 1,108,032.60, 1,662,048.90 and 919,075.80 is: 1,378,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,032.60 : 1,662,048.90 = 919,075.80 : x
  2. Step 2: Convert to fraction form
    1,108,032.60/1,662,048.90 = 919,075.80/x
  3. Step 3: Cross multiply
    1,108,032.60x = 1,662,048.90 × 919,075.80
  4. Step 4: Simplify right side
    1,108,032.60x = 1,527,548,922,406.62
  5. Step 5: Solve for x
    x = 1,527,548,922,406.62/1,108,032.60
  6. Step 6: Final answer
    x = 1,378,613.70

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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.