Home / 1,785,181.60-2,463,547.80-980,365.60

Finding the Fourth Proportional to 1,785,181.60, 2,463,547.80 and 980,365.60

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Solution

The fourth proportional to 1,785,181.60, 2,463,547.80 and 980,365.60 is: 1,352,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,181.60 : 2,463,547.80 = 980,365.60 : x
  2. Step 2: Convert to fraction form
    1,785,181.60/2,463,547.80 = 980,365.60/x
  3. Step 3: Cross multiply
    1,785,181.60x = 2,463,547.80 × 980,365.60
  4. Step 4: Simplify right side
    1,785,181.60x = 2,415,177,517,075.68
  5. Step 5: Solve for x
    x = 2,415,177,517,075.68/1,785,181.60
  6. Step 6: Final answer
    x = 1,352,902.99

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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.