Home / 1,406,460.60-1,940,915.50-761,880.65

Finding the Fourth Proportional to 1,406,460.60, 1,940,915.50 and 761,880.65

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Solution

The fourth proportional to 1,406,460.60, 1,940,915.50 and 761,880.65 is: 1,051,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,460.60 : 1,940,915.50 = 761,880.65 : x
  2. Step 2: Convert to fraction form
    1,406,460.60/1,940,915.50 = 761,880.65/x
  3. Step 3: Cross multiply
    1,406,460.60x = 1,940,915.50 × 761,880.65
  4. Step 4: Simplify right side
    1,406,460.60x = 1,478,745,951,125.80
  5. Step 5: Solve for x
    x = 1,478,745,951,125.80/1,406,460.60
  6. Step 6: Final answer
    x = 1,051,395.22

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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.