Home / 1,573,486.90-2,171,348.85-929,114.62

Finding the Fourth Proportional to 1,573,486.90, 2,171,348.85 and 929,114.62

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Solution

The fourth proportional to 1,573,486.90, 2,171,348.85 and 929,114.62 is: 1,282,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,486.90 : 2,171,348.85 = 929,114.62 : x
  2. Step 2: Convert to fraction form
    1,573,486.90/2,171,348.85 = 929,114.62/x
  3. Step 3: Cross multiply
    1,573,486.90x = 2,171,348.85 × 929,114.62
  4. Step 4: Simplify right side
    1,573,486.90x = 2,017,431,961,655.19
  5. Step 5: Solve for x
    x = 2,017,431,961,655.19/1,573,486.90
  6. Step 6: Final answer
    x = 1,282,140.93

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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.