Home / 987,347.60-1,481,021.40-910,365.20

Finding the Fourth Proportional to 987,347.60, 1,481,021.40 and 910,365.20

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Solution

The fourth proportional to 987,347.60, 1,481,021.40 and 910,365.20 is: 1,365,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,347.60 : 1,481,021.40 = 910,365.20 : x
  2. Step 2: Convert to fraction form
    987,347.60/1,481,021.40 = 910,365.20/x
  3. Step 3: Cross multiply
    987,347.60x = 1,481,021.40 × 910,365.20
  4. Step 4: Simplify right side
    987,347.60x = 1,348,270,343,015.28
  5. Step 5: Solve for x
    x = 1,348,270,343,015.28/987,347.60
  6. Step 6: Final answer
    x = 1,365,547.80

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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.