Home / 1,230,555.06-1,698,166.32-679,271.10

Finding the Fourth Proportional to 1,230,555.06, 1,698,166.32 and 679,271.10

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Solution

The fourth proportional to 1,230,555.06, 1,698,166.32 and 679,271.10 is: 937,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,555.06 : 1,698,166.32 = 679,271.10 : x
  2. Step 2: Convert to fraction form
    1,230,555.06/1,698,166.32 = 679,271.10/x
  3. Step 3: Cross multiply
    1,230,555.06x = 1,698,166.32 × 679,271.10
  4. Step 4: Simplify right side
    1,230,555.06x = 1,153,515,304,169.35
  5. Step 5: Solve for x
    x = 1,153,515,304,169.35/1,230,555.06
  6. Step 6: Final answer
    x = 937,394.30

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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.