Home / 1,209,851.40-1,812,590.10-703,998.30

Finding the Fourth Proportional to 1,209,851.40, 1,812,590.10 and 703,998.30

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Solution

The fourth proportional to 1,209,851.40, 1,812,590.10 and 703,998.30 is: 1,054,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,851.40 : 1,812,590.10 = 703,998.30 : x
  2. Step 2: Convert to fraction form
    1,209,851.40/1,812,590.10 = 703,998.30/x
  3. Step 3: Cross multiply
    1,209,851.40x = 1,812,590.10 × 703,998.30
  4. Step 4: Simplify right side
    1,209,851.40x = 1,276,060,348,996.83
  5. Step 5: Solve for x
    x = 1,276,060,348,996.83/1,209,851.40
  6. Step 6: Final answer
    x = 1,054,724.86

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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.