Home / 1,318,621.86-1,977,539.10-560,460.03

Finding the Fourth Proportional to 1,318,621.86, 1,977,539.10 and 560,460.03

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Solution

The fourth proportional to 1,318,621.86, 1,977,539.10 and 560,460.03 is: 840,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,621.86 : 1,977,539.10 = 560,460.03 : x
  2. Step 2: Convert to fraction form
    1,318,621.86/1,977,539.10 = 560,460.03/x
  3. Step 3: Cross multiply
    1,318,621.86x = 1,977,539.10 × 560,460.03
  4. Step 4: Simplify right side
    1,318,621.86x = 1,108,331,623,312.17
  5. Step 5: Solve for x
    x = 1,108,331,623,312.17/1,318,621.86
  6. Step 6: Final answer
    x = 840,522.71

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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.