Home / 1,377,966.84-1,901,700.72-826,703.18

Finding the Fourth Proportional to 1,377,966.84, 1,901,700.72 and 826,703.18

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Solution

The fourth proportional to 1,377,966.84, 1,901,700.72 and 826,703.18 is: 1,140,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,966.84 : 1,901,700.72 = 826,703.18 : x
  2. Step 2: Convert to fraction form
    1,377,966.84/1,901,700.72 = 826,703.18/x
  3. Step 3: Cross multiply
    1,377,966.84x = 1,901,700.72 × 826,703.18
  4. Step 4: Simplify right side
    1,377,966.84x = 1,572,142,030,255.16
  5. Step 5: Solve for x
    x = 1,572,142,030,255.16/1,377,966.84
  6. Step 6: Final answer
    x = 1,140,914.27

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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.