Home / 1,406,439.86-1,940,896.35-761,860.08

Finding the Fourth Proportional to 1,406,439.86, 1,940,896.35 and 761,860.08

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Solution

The fourth proportional to 1,406,439.86, 1,940,896.35 and 761,860.08 is: 1,051,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,439.86 : 1,940,896.35 = 761,860.08 : x
  2. Step 2: Convert to fraction form
    1,406,439.86/1,940,896.35 = 761,860.08/x
  3. Step 3: Cross multiply
    1,406,439.86x = 1,940,896.35 × 761,860.08
  4. Step 4: Simplify right side
    1,406,439.86x = 1,478,691,448,482.71
  5. Step 5: Solve for x
    x = 1,478,691,448,482.71/1,406,439.86
  6. Step 6: Final answer
    x = 1,051,371.98

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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.