Home / 829,210.56-1,241,324.07-742,592.80

Finding the Fourth Proportional to 829,210.56, 1,241,324.07 and 742,592.80

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Solution

The fourth proportional to 829,210.56, 1,241,324.07 and 742,592.80 is: 1,111,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,210.56 : 1,241,324.07 = 742,592.80 : x
  2. Step 2: Convert to fraction form
    829,210.56/1,241,324.07 = 742,592.80/x
  3. Step 3: Cross multiply
    829,210.56x = 1,241,324.07 × 742,592.80
  4. Step 4: Simplify right side
    829,210.56x = 921,798,316,848.70
  5. Step 5: Solve for x
    x = 921,798,316,848.70/829,210.56
  6. Step 6: Final answer
    x = 1,111,657.72

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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.