Home / 1,428,848.10-1,971,803.45-784,279.26

Finding the Fourth Proportional to 1,428,848.10, 1,971,803.45 and 784,279.26

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Solution

The fourth proportional to 1,428,848.10, 1,971,803.45 and 784,279.26 is: 1,082,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,848.10 : 1,971,803.45 = 784,279.26 : x
  2. Step 2: Convert to fraction form
    1,428,848.10/1,971,803.45 = 784,279.26/x
  3. Step 3: Cross multiply
    1,428,848.10x = 1,971,803.45 × 784,279.26
  4. Step 4: Simplify right side
    1,428,848.10x = 1,546,444,552,592.15
  5. Step 5: Solve for x
    x = 1,546,444,552,592.15/1,428,848.10
  6. Step 6: Final answer
    x = 1,082,301.58

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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.