Home / 1,051,113.60-1,576,670.40-970,012.80

Finding the Fourth Proportional to 1,051,113.60, 1,576,670.40 and 970,012.80

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Solution

The fourth proportional to 1,051,113.60, 1,576,670.40 and 970,012.80 is: 1,455,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,113.60 : 1,576,670.40 = 970,012.80 : x
  2. Step 2: Convert to fraction form
    1,051,113.60/1,576,670.40 = 970,012.80/x
  3. Step 3: Cross multiply
    1,051,113.60x = 1,576,670.40 × 970,012.80
  4. Step 4: Simplify right side
    1,051,113.60x = 1,529,390,469,381.12
  5. Step 5: Solve for x
    x = 1,529,390,469,381.12/1,051,113.60
  6. Step 6: Final answer
    x = 1,455,019.20

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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.