Home / 1,943,241.42-2,915,235.72-745,070.28

Finding the Fourth Proportional to 1,943,241.42, 2,915,235.72 and 745,070.28

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Solution

The fourth proportional to 1,943,241.42, 2,915,235.72 and 745,070.28 is: 1,117,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,241.42 : 2,915,235.72 = 745,070.28 : x
  2. Step 2: Convert to fraction form
    1,943,241.42/2,915,235.72 = 745,070.28/x
  3. Step 3: Cross multiply
    1,943,241.42x = 2,915,235.72 × 745,070.28
  4. Step 4: Simplify right side
    1,943,241.42x = 2,172,055,494,166.40
  5. Step 5: Solve for x
    x = 2,172,055,494,166.40/1,943,241.42
  6. Step 6: Final answer
    x = 1,117,748.66

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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.