Home / 1,688,511.25-2,330,149.36-914,150.24

Finding the Fourth Proportional to 1,688,511.25, 2,330,149.36 and 914,150.24

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Solution

The fourth proportional to 1,688,511.25, 2,330,149.36 and 914,150.24 is: 1,261,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,511.25 : 2,330,149.36 = 914,150.24 : x
  2. Step 2: Convert to fraction form
    1,688,511.25/2,330,149.36 = 914,150.24/x
  3. Step 3: Cross multiply
    1,688,511.25x = 2,330,149.36 × 914,150.24
  4. Step 4: Simplify right side
    1,688,511.25x = 2,130,106,585,029.10
  5. Step 5: Solve for x
    x = 2,130,106,585,029.10/1,688,511.25
  6. Step 6: Final answer
    x = 1,261,529.40

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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.