Home / 1,039,485-1,434,489.30-562,557

Finding the Fourth Proportional to 1,039,485, 1,434,489.30 and 562,557

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Solution

The fourth proportional to 1,039,485, 1,434,489.30 and 562,557 is: 776,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,485 : 1,434,489.30 = 562,557 : x
  2. Step 2: Convert to fraction form
    1,039,485/1,434,489.30 = 562,557/x
  3. Step 3: Cross multiply
    1,039,485x = 1,434,489.30 × 562,557
  4. Step 4: Simplify right side
    1,039,485x = 806,981,997,140.10
  5. Step 5: Solve for x
    x = 806,981,997,140.10/1,039,485
  6. Step 6: Final answer
    x = 776,328.66

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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.