Home / 1,300,775.86-1,946,374.26-786,607.30

Finding the Fourth Proportional to 1,300,775.86, 1,946,374.26 and 786,607.30

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Solution

The fourth proportional to 1,300,775.86, 1,946,374.26 and 786,607.30 is: 1,177,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,775.86 : 1,946,374.26 = 786,607.30 : x
  2. Step 2: Convert to fraction form
    1,300,775.86/1,946,374.26 = 786,607.30/x
  3. Step 3: Cross multiply
    1,300,775.86x = 1,946,374.26 × 786,607.30
  4. Step 4: Simplify right side
    1,300,775.86x = 1,531,032,201,448.10
  5. Step 5: Solve for x
    x = 1,531,032,201,448.10/1,300,775.86
  6. Step 6: Final answer
    x = 1,177,014.62

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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.