Home / 1,036,690.72-1,430,749.68-577,847.20

Finding the Fourth Proportional to 1,036,690.72, 1,430,749.68 and 577,847.20

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Solution

The fourth proportional to 1,036,690.72, 1,430,749.68 and 577,847.20 is: 797,494.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,690.72 : 1,430,749.68 = 577,847.20 : x
  2. Step 2: Convert to fraction form
    1,036,690.72/1,430,749.68 = 577,847.20/x
  3. Step 3: Cross multiply
    1,036,690.72x = 1,430,749.68 × 577,847.20
  4. Step 4: Simplify right side
    1,036,690.72x = 826,754,696,488.90
  5. Step 5: Solve for x
    x = 826,754,696,488.90/1,036,690.72
  6. Step 6: Final answer
    x = 797,494.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.