Home / 1,699,309.94-2,345,271.65-1,020,290.18

Finding the Fourth Proportional to 1,699,309.94, 2,345,271.65 and 1,020,290.18

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Solution

The fourth proportional to 1,699,309.94, 2,345,271.65 and 1,020,290.18 is: 1,408,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,309.94 : 2,345,271.65 = 1,020,290.18 : x
  2. Step 2: Convert to fraction form
    1,699,309.94/2,345,271.65 = 1,020,290.18/x
  3. Step 3: Cross multiply
    1,699,309.94x = 2,345,271.65 × 1,020,290.18
  4. Step 4: Simplify right side
    1,699,309.94x = 2,392,857,617,099.59
  5. Step 5: Solve for x
    x = 2,392,857,617,099.59/1,699,309.94
  6. Step 6: Final answer
    x = 1,408,134.90

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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.