Home / 1,228,298.07-1,842,619.32-429,397.90

Finding the Fourth Proportional to 1,228,298.07, 1,842,619.32 and 429,397.90

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Solution

The fourth proportional to 1,228,298.07, 1,842,619.32 and 429,397.90 is: 644,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,298.07 : 1,842,619.32 = 429,397.90 : x
  2. Step 2: Convert to fraction form
    1,228,298.07/1,842,619.32 = 429,397.90/x
  3. Step 3: Cross multiply
    1,228,298.07x = 1,842,619.32 × 429,397.90
  4. Step 4: Simplify right side
    1,228,298.07x = 791,216,866,507.43
  5. Step 5: Solve for x
    x = 791,216,866,507.43/1,228,298.07
  6. Step 6: Final answer
    x = 644,157.05

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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.