Home / 1,250,345.80-1,724,842.74-790,685.77

Finding the Fourth Proportional to 1,250,345.80, 1,724,842.74 and 790,685.77

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Solution

The fourth proportional to 1,250,345.80, 1,724,842.74 and 790,685.77 is: 1,090,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,345.80 : 1,724,842.74 = 790,685.77 : x
  2. Step 2: Convert to fraction form
    1,250,345.80/1,724,842.74 = 790,685.77/x
  3. Step 3: Cross multiply
    1,250,345.80x = 1,724,842.74 × 790,685.77
  4. Step 4: Simplify right side
    1,250,345.80x = 1,363,808,610,005.81
  5. Step 5: Solve for x
    x = 1,363,808,610,005.81/1,250,345.80
  6. Step 6: Final answer
    x = 1,090,745.14

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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.