Home / 1,348,457.63-1,860,871.52-775,485.50

Finding the Fourth Proportional to 1,348,457.63, 1,860,871.52 and 775,485.50

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Solution

The fourth proportional to 1,348,457.63, 1,860,871.52 and 775,485.50 is: 1,070,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,457.63 : 1,860,871.52 = 775,485.50 : x
  2. Step 2: Convert to fraction form
    1,348,457.63/1,860,871.52 = 775,485.50/x
  3. Step 3: Cross multiply
    1,348,457.63x = 1,860,871.52 × 775,485.50
  4. Step 4: Simplify right side
    1,348,457.63x = 1,443,078,873,757.32
  5. Step 5: Solve for x
    x = 1,443,078,873,757.32/1,348,457.63
  6. Step 6: Final answer
    x = 1,070,169.98

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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.