Home / 1,699,315-2,345,278.64-1,020,295.24

Finding the Fourth Proportional to 1,699,315, 2,345,278.64 and 1,020,295.24

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Solution

The fourth proportional to 1,699,315, 2,345,278.64 and 1,020,295.24 is: 1,408,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,315 : 2,345,278.64 = 1,020,295.24 : x
  2. Step 2: Convert to fraction form
    1,699,315/2,345,278.64 = 1,020,295.24/x
  3. Step 3: Cross multiply
    1,699,315x = 2,345,278.64 × 1,020,295.24
  4. Step 4: Simplify right side
    1,699,315x = 2,392,876,632,865.67
  5. Step 5: Solve for x
    x = 2,392,876,632,865.67/1,699,315
  6. Step 6: Final answer
    x = 1,408,141.89

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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.