Home / 1,069,326.90-1,604,287.62-869,151.60

Finding the Fourth Proportional to 1,069,326.90, 1,604,287.62 and 869,151.60

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Solution

The fourth proportional to 1,069,326.90, 1,604,287.62 and 869,151.60 is: 1,303,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,326.90 : 1,604,287.62 = 869,151.60 : x
  2. Step 2: Convert to fraction form
    1,069,326.90/1,604,287.62 = 869,151.60/x
  3. Step 3: Cross multiply
    1,069,326.90x = 1,604,287.62 × 869,151.60
  4. Step 4: Simplify right side
    1,069,326.90x = 1,394,369,151,783.19
  5. Step 5: Solve for x
    x = 1,394,369,151,783.19/1,069,326.90
  6. Step 6: Final answer
    x = 1,303,969.02

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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.