Home / 1,318,358.95-1,977,523.98-1,000,463.61

Finding the Fourth Proportional to 1,318,358.95, 1,977,523.98 and 1,000,463.61

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Solution

The fourth proportional to 1,318,358.95, 1,977,523.98 and 1,000,463.61 is: 1,500,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,358.95 : 1,977,523.98 = 1,000,463.61 : x
  2. Step 2: Convert to fraction form
    1,318,358.95/1,977,523.98 = 1,000,463.61/x
  3. Step 3: Cross multiply
    1,318,358.95x = 1,977,523.98 × 1,000,463.61
  4. Step 4: Simplify right side
    1,318,358.95x = 1,978,440,779,892.37
  5. Step 5: Solve for x
    x = 1,978,440,779,892.37/1,318,358.95
  6. Step 6: Final answer
    x = 1,500,684.45

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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.