Home / 1,300,508.60-1,950,908.70-401,943.20

Finding the Fourth Proportional to 1,300,508.60, 1,950,908.70 and 401,943.20

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Solution

The fourth proportional to 1,300,508.60, 1,950,908.70 and 401,943.20 is: 602,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,508.60 : 1,950,908.70 = 401,943.20 : x
  2. Step 2: Convert to fraction form
    1,300,508.60/1,950,908.70 = 401,943.20/x
  3. Step 3: Cross multiply
    1,300,508.60x = 1,950,908.70 × 401,943.20
  4. Step 4: Simplify right side
    1,300,508.60x = 784,154,485,785.84
  5. Step 5: Solve for x
    x = 784,154,485,785.84/1,300,508.60
  6. Step 6: Final answer
    x = 602,959.86

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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.