Home / 1,300,730.40-1,951,307.52-401,962.56

Finding the Fourth Proportional to 1,300,730.40, 1,951,307.52 and 401,962.56

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Solution

The fourth proportional to 1,300,730.40, 1,951,307.52 and 401,962.56 is: 603,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,730.40 : 1,951,307.52 = 401,962.56 : x
  2. Step 2: Convert to fraction form
    1,300,730.40/1,951,307.52 = 401,962.56/x
  3. Step 3: Cross multiply
    1,300,730.40x = 1,951,307.52 × 401,962.56
  4. Step 4: Simplify right side
    1,300,730.40x = 784,352,566,086.45
  5. Step 5: Solve for x
    x = 784,352,566,086.45/1,300,730.40
  6. Step 6: Final answer
    x = 603,009.33

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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.