Home / 1,000,449.04-1,380,490.98-570,703.48

Finding the Fourth Proportional to 1,000,449.04, 1,380,490.98 and 570,703.48

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Solution

The fourth proportional to 1,000,449.04, 1,380,490.98 and 570,703.48 is: 787,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,449.04 : 1,380,490.98 = 570,703.48 : x
  2. Step 2: Convert to fraction form
    1,000,449.04/1,380,490.98 = 570,703.48/x
  3. Step 3: Cross multiply
    1,000,449.04x = 1,380,490.98 × 570,703.48
  4. Step 4: Simplify right side
    1,000,449.04x = 787,851,006,394.61
  5. Step 5: Solve for x
    x = 787,851,006,394.61/1,000,449.04
  6. Step 6: Final answer
    x = 787,497.39

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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.