Home / 917,641.80-1,376,462.70-901,895.40

Finding the Fourth Proportional to 917,641.80, 1,376,462.70 and 901,895.40

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Solution

The fourth proportional to 917,641.80, 1,376,462.70 and 901,895.40 is: 1,352,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,641.80 : 1,376,462.70 = 901,895.40 : x
  2. Step 2: Convert to fraction form
    917,641.80/1,376,462.70 = 901,895.40/x
  3. Step 3: Cross multiply
    917,641.80x = 1,376,462.70 × 901,895.40
  4. Step 4: Simplify right side
    917,641.80x = 1,241,425,377,401.58
  5. Step 5: Solve for x
    x = 1,241,425,377,401.58/917,641.80
  6. Step 6: Final answer
    x = 1,352,843.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.