Home / 1,242,008.70-1,860,716.70-707,943.30

Finding the Fourth Proportional to 1,242,008.70, 1,860,716.70 and 707,943.30

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Solution

The fourth proportional to 1,242,008.70, 1,860,716.70 and 707,943.30 is: 1,060,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,008.70 : 1,860,716.70 = 707,943.30 : x
  2. Step 2: Convert to fraction form
    1,242,008.70/1,860,716.70 = 707,943.30/x
  3. Step 3: Cross multiply
    1,242,008.70x = 1,860,716.70 × 707,943.30
  4. Step 4: Simplify right side
    1,242,008.70x = 1,317,281,920,963.11
  5. Step 5: Solve for x
    x = 1,317,281,920,963.11/1,242,008.70
  6. Step 6: Final answer
    x = 1,060,606.03

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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.