Home / 1,428,295.55-2,142,418.50-575,345.39

Finding the Fourth Proportional to 1,428,295.55, 2,142,418.50 and 575,345.39

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Solution

The fourth proportional to 1,428,295.55, 2,142,418.50 and 575,345.39 is: 863,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,295.55 : 2,142,418.50 = 575,345.39 : x
  2. Step 2: Convert to fraction form
    1,428,295.55/2,142,418.50 = 575,345.39/x
  3. Step 3: Cross multiply
    1,428,295.55x = 2,142,418.50 × 575,345.39
  4. Step 4: Simplify right side
    1,428,295.55x = 1,232,630,596,713.62
  5. Step 5: Solve for x
    x = 1,232,630,596,713.62/1,428,295.55
  6. Step 6: Final answer
    x = 863,008.08

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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.