Home / 1,377,880.43-1,901,482.36-757,725.58

Finding the Fourth Proportional to 1,377,880.43, 1,901,482.36 and 757,725.58

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Solution

The fourth proportional to 1,377,880.43, 1,901,482.36 and 757,725.58 is: 1,045,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,880.43 : 1,901,482.36 = 757,725.58 : x
  2. Step 2: Convert to fraction form
    1,377,880.43/1,901,482.36 = 757,725.58/x
  3. Step 3: Cross multiply
    1,377,880.43x = 1,901,482.36 × 757,725.58
  4. Step 4: Simplify right side
    1,377,880.43x = 1,440,801,817,442.75
  5. Step 5: Solve for x
    x = 1,440,801,817,442.75/1,377,880.43
  6. Step 6: Final answer
    x = 1,045,665.35

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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.