Home / 1,021,330.84-1,532,097.78-390,775

Finding the Fourth Proportional to 1,021,330.84, 1,532,097.78 and 390,775

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Solution

The fourth proportional to 1,021,330.84, 1,532,097.78 and 390,775 is: 586,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,330.84 : 1,532,097.78 = 390,775 : x
  2. Step 2: Convert to fraction form
    1,021,330.84/1,532,097.78 = 390,775/x
  3. Step 3: Cross multiply
    1,021,330.84x = 1,532,097.78 × 390,775
  4. Step 4: Simplify right side
    1,021,330.84x = 598,705,509,979.50
  5. Step 5: Solve for x
    x = 598,705,509,979.50/1,021,330.84
  6. Step 6: Final answer
    x = 586,201.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.