Home / 1,428,532-2,142,774.46-575,582.88

Finding the Fourth Proportional to 1,428,532, 2,142,774.46 and 575,582.88

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Solution

The fourth proportional to 1,428,532, 2,142,774.46 and 575,582.88 is: 863,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,532 : 2,142,774.46 = 575,582.88 : x
  2. Step 2: Convert to fraction form
    1,428,532/2,142,774.46 = 575,582.88/x
  3. Step 3: Cross multiply
    1,428,532x = 2,142,774.46 × 575,582.88
  4. Step 4: Simplify right side
    1,428,532x = 1,233,344,294,877.24
  5. Step 5: Solve for x
    x = 1,233,344,294,877.24/1,428,532
  6. Step 6: Final answer
    x = 863,364.84

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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.