Home / 1,044,499.79-1,566,749.70-689,430.76

Finding the Fourth Proportional to 1,044,499.79, 1,566,749.70 and 689,430.76

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Solution

The fourth proportional to 1,044,499.79, 1,566,749.70 and 689,430.76 is: 1,034,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,499.79 : 1,566,749.70 = 689,430.76 : x
  2. Step 2: Convert to fraction form
    1,044,499.79/1,566,749.70 = 689,430.76/x
  3. Step 3: Cross multiply
    1,044,499.79x = 1,566,749.70 × 689,430.76
  4. Step 4: Simplify right side
    1,044,499.79x = 1,080,165,432,483.90
  5. Step 5: Solve for x
    x = 1,080,165,432,483.90/1,044,499.79
  6. Step 6: Final answer
    x = 1,034,146.14

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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.