Home / 1,578,657.40-2,366,430.90-780,062.20

Finding the Fourth Proportional to 1,578,657.40, 2,366,430.90 and 780,062.20

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Solution

The fourth proportional to 1,578,657.40, 2,366,430.90 and 780,062.20 is: 1,169,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,657.40 : 2,366,430.90 = 780,062.20 : x
  2. Step 2: Convert to fraction form
    1,578,657.40/2,366,430.90 = 780,062.20/x
  3. Step 3: Cross multiply
    1,578,657.40x = 2,366,430.90 × 780,062.20
  4. Step 4: Simplify right side
    1,578,657.40x = 1,845,963,294,001.98
  5. Step 5: Solve for x
    x = 1,845,963,294,001.98/1,578,657.40
  6. Step 6: Final answer
    x = 1,169,324.83

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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.