Home / 911,058.80-1,366,588.20-698,482.40

Finding the Fourth Proportional to 911,058.80, 1,366,588.20 and 698,482.40

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Solution

The fourth proportional to 911,058.80, 1,366,588.20 and 698,482.40 is: 1,047,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,058.80 : 1,366,588.20 = 698,482.40 : x
  2. Step 2: Convert to fraction form
    911,058.80/1,366,588.20 = 698,482.40/x
  3. Step 3: Cross multiply
    911,058.80x = 1,366,588.20 × 698,482.40
  4. Step 4: Simplify right side
    911,058.80x = 954,537,805,747.68
  5. Step 5: Solve for x
    x = 954,537,805,747.68/911,058.80
  6. Step 6: Final answer
    x = 1,047,723.60

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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.