Home / 992,923.80-1,490,001.30-519,948.60

Finding the Fourth Proportional to 992,923.80, 1,490,001.30 and 519,948.60

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Solution

The fourth proportional to 992,923.80, 1,490,001.30 and 519,948.60 is: 780,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,923.80 : 1,490,001.30 = 519,948.60 : x
  2. Step 2: Convert to fraction form
    992,923.80/1,490,001.30 = 519,948.60/x
  3. Step 3: Cross multiply
    992,923.80x = 1,490,001.30 × 519,948.60
  4. Step 4: Simplify right side
    992,923.80x = 774,724,089,933.18
  5. Step 5: Solve for x
    x = 774,724,089,933.18/992,923.80
  6. Step 6: Final answer
    x = 780,245.26

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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.