Home / 1,239,290.70-1,710,080.55-695,313.06

Finding the Fourth Proportional to 1,239,290.70, 1,710,080.55 and 695,313.06

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Solution

The fourth proportional to 1,239,290.70, 1,710,080.55 and 695,313.06 is: 959,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,290.70 : 1,710,080.55 = 695,313.06 : x
  2. Step 2: Convert to fraction form
    1,239,290.70/1,710,080.55 = 695,313.06/x
  3. Step 3: Cross multiply
    1,239,290.70x = 1,710,080.55 × 695,313.06
  4. Step 4: Simplify right side
    1,239,290.70x = 1,189,041,340,066.98
  5. Step 5: Solve for x
    x = 1,189,041,340,066.98/1,239,290.70
  6. Step 6: Final answer
    x = 959,453.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.