Home / 1,124,465.80-1,686,986.70-650,302.60

Finding the Fourth Proportional to 1,124,465.80, 1,686,986.70 and 650,302.60

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Solution

The fourth proportional to 1,124,465.80, 1,686,986.70 and 650,302.60 is: 975,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,465.80 : 1,686,986.70 = 650,302.60 : x
  2. Step 2: Convert to fraction form
    1,124,465.80/1,686,986.70 = 650,302.60/x
  3. Step 3: Cross multiply
    1,124,465.80x = 1,686,986.70 × 650,302.60
  4. Step 4: Simplify right side
    1,124,465.80x = 1,097,051,837,175.42
  5. Step 5: Solve for x
    x = 1,097,051,837,175.42/1,124,465.80
  6. Step 6: Final answer
    x = 975,620.46

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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.