Home / 1,406,309.60-1,940,707.80-761,727.76

Finding the Fourth Proportional to 1,406,309.60, 1,940,707.80 and 761,727.76

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Solution

The fourth proportional to 1,406,309.60, 1,940,707.80 and 761,727.76 is: 1,051,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,309.60 : 1,940,707.80 = 761,727.76 : x
  2. Step 2: Convert to fraction form
    1,406,309.60/1,940,707.80 = 761,727.76/x
  3. Step 3: Cross multiply
    1,406,309.60x = 1,940,707.80 × 761,727.76
  4. Step 4: Simplify right side
    1,406,309.60x = 1,478,291,005,308.53
  5. Step 5: Solve for x
    x = 1,478,291,005,308.53/1,406,309.60
  6. Step 6: Final answer
    x = 1,051,184.61

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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.