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Finding the Fourth Proportional to 972,000, 1,341,360 and 569,592

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Solution

The fourth proportional to 972,000, 1,341,360 and 569,592 is: 786,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,000 : 1,341,360 = 569,592 : x
  2. Step 2: Convert to fraction form
    972,000/1,341,360 = 569,592/x
  3. Step 3: Cross multiply
    972,000x = 1,341,360 × 569,592
  4. Step 4: Simplify right side
    972,000x = 764,027,925,120
  5. Step 5: Solve for x
    x = 764,027,925,120/972,000
  6. Step 6: Final answer
    x = 786,036.96

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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.