Home / 1,313,125.40-1,968,305.70-514,098.20

Finding the Fourth Proportional to 1,313,125.40, 1,968,305.70 and 514,098.20

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Solution

The fourth proportional to 1,313,125.40, 1,968,305.70 and 514,098.20 is: 770,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,125.40 : 1,968,305.70 = 514,098.20 : x
  2. Step 2: Convert to fraction form
    1,313,125.40/1,968,305.70 = 514,098.20/x
  3. Step 3: Cross multiply
    1,313,125.40x = 1,968,305.70 × 514,098.20
  4. Step 4: Simplify right side
    1,313,125.40x = 1,011,902,417,419.74
  5. Step 5: Solve for x
    x = 1,011,902,417,419.74/1,313,125.40
  6. Step 6: Final answer
    x = 770,606.08

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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.