Home / 1,335,871.02-1,999,076.43-830,669.91

Finding the Fourth Proportional to 1,335,871.02, 1,999,076.43 and 830,669.91

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Solution

The fourth proportional to 1,335,871.02, 1,999,076.43 and 830,669.91 is: 1,243,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,871.02 : 1,999,076.43 = 830,669.91 : x
  2. Step 2: Convert to fraction form
    1,335,871.02/1,999,076.43 = 830,669.91/x
  3. Step 3: Cross multiply
    1,335,871.02x = 1,999,076.43 × 830,669.91
  4. Step 4: Simplify right side
    1,335,871.02x = 1,660,572,638,191.22
  5. Step 5: Solve for x
    x = 1,660,572,638,191.22/1,335,871.02
  6. Step 6: Final answer
    x = 1,243,063.60

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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.