Home / 1,047,187.35-1,569,304.80-646,638.30

Finding the Fourth Proportional to 1,047,187.35, 1,569,304.80 and 646,638.30

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Solution

The fourth proportional to 1,047,187.35, 1,569,304.80 and 646,638.30 is: 969,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,187.35 : 1,569,304.80 = 646,638.30 : x
  2. Step 2: Convert to fraction form
    1,047,187.35/1,569,304.80 = 646,638.30/x
  3. Step 3: Cross multiply
    1,047,187.35x = 1,569,304.80 × 646,638.30
  4. Step 4: Simplify right side
    1,047,187.35x = 1,014,772,588,053.84
  5. Step 5: Solve for x
    x = 1,014,772,588,053.84/1,047,187.35
  6. Step 6: Final answer
    x = 969,045.88

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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.