Home / 1,048,638.90-1,560,398.68-1,045,095.96

Finding the Fourth Proportional to 1,048,638.90, 1,560,398.68 and 1,045,095.96

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Solution

The fourth proportional to 1,048,638.90, 1,560,398.68 and 1,045,095.96 is: 1,555,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,638.90 : 1,560,398.68 = 1,045,095.96 : x
  2. Step 2: Convert to fraction form
    1,048,638.90/1,560,398.68 = 1,045,095.96/x
  3. Step 3: Cross multiply
    1,048,638.90x = 1,560,398.68 × 1,045,095.96
  4. Step 4: Simplify right side
    1,048,638.90x = 1,630,766,359,070.07
  5. Step 5: Solve for x
    x = 1,630,766,359,070.07/1,048,638.90
  6. Step 6: Final answer
    x = 1,555,126.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.