Home / 986,860.80-1,480,291.20-977,529.60

Finding the Fourth Proportional to 986,860.80, 1,480,291.20 and 977,529.60

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Solution

The fourth proportional to 986,860.80, 1,480,291.20 and 977,529.60 is: 1,466,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,860.80 : 1,480,291.20 = 977,529.60 : x
  2. Step 2: Convert to fraction form
    986,860.80/1,480,291.20 = 977,529.60/x
  3. Step 3: Cross multiply
    986,860.80x = 1,480,291.20 × 977,529.60
  4. Step 4: Simplify right side
    986,860.80x = 1,447,028,464,619.52
  5. Step 5: Solve for x
    x = 1,447,028,464,619.52/986,860.80
  6. Step 6: Final answer
    x = 1,466,294.40

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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.