Home / 1,355,044.56-1,869,967.80-751,432.56

Finding the Fourth Proportional to 1,355,044.56, 1,869,967.80 and 751,432.56

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Solution

The fourth proportional to 1,355,044.56, 1,869,967.80 and 751,432.56 is: 1,036,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,044.56 : 1,869,967.80 = 751,432.56 : x
  2. Step 2: Convert to fraction form
    1,355,044.56/1,869,967.80 = 751,432.56/x
  3. Step 3: Cross multiply
    1,355,044.56x = 1,869,967.80 × 751,432.56
  4. Step 4: Simplify right side
    1,355,044.56x = 1,405,154,691,071.57
  5. Step 5: Solve for x
    x = 1,405,154,691,071.57/1,355,044.56
  6. Step 6: Final answer
    x = 1,036,980.43

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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.