Home / 1,039,428-1,434,411.36-562,500

Finding the Fourth Proportional to 1,039,428, 1,434,411.36 and 562,500

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Solution

The fourth proportional to 1,039,428, 1,434,411.36 and 562,500 is: 776,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,428 : 1,434,411.36 = 562,500 : x
  2. Step 2: Convert to fraction form
    1,039,428/1,434,411.36 = 562,500/x
  3. Step 3: Cross multiply
    1,039,428x = 1,434,411.36 × 562,500
  4. Step 4: Simplify right side
    1,039,428x = 806,856,390,000
  5. Step 5: Solve for x
    x = 806,856,390,000/1,039,428
  6. Step 6: Final answer
    x = 776,250.39

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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.