Home / 1,406,409.65-1,940,854.62-761,829.84

Finding the Fourth Proportional to 1,406,409.65, 1,940,854.62 and 761,829.84

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Solution

The fourth proportional to 1,406,409.65, 1,940,854.62 and 761,829.84 is: 1,051,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,409.65 : 1,940,854.62 = 761,829.84 : x
  2. Step 2: Convert to fraction form
    1,406,409.65/1,940,854.62 = 761,829.84/x
  3. Step 3: Cross multiply
    1,406,409.65x = 1,940,854.62 × 761,829.84
  4. Step 4: Simplify right side
    1,406,409.65x = 1,478,600,964,617.86
  5. Step 5: Solve for x
    x = 1,478,600,964,617.86/1,406,409.65
  6. Step 6: Final answer
    x = 1,051,330.22

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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.