Home / 1,075,426.80-1,613,140.20-907,465.20

Finding the Fourth Proportional to 1,075,426.80, 1,613,140.20 and 907,465.20

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Solution

The fourth proportional to 1,075,426.80, 1,613,140.20 and 907,465.20 is: 1,361,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,426.80 : 1,613,140.20 = 907,465.20 : x
  2. Step 2: Convert to fraction form
    1,075,426.80/1,613,140.20 = 907,465.20/x
  3. Step 3: Cross multiply
    1,075,426.80x = 1,613,140.20 × 907,465.20
  4. Step 4: Simplify right side
    1,075,426.80x = 1,463,868,594,221.04
  5. Step 5: Solve for x
    x = 1,463,868,594,221.04/1,075,426.80
  6. Step 6: Final answer
    x = 1,361,197.80

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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.