Home / 1,550,844.50-2,326,266.75-428,913.50

Finding the Fourth Proportional to 1,550,844.50, 2,326,266.75 and 428,913.50

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Solution

The fourth proportional to 1,550,844.50, 2,326,266.75 and 428,913.50 is: 643,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,844.50 : 2,326,266.75 = 428,913.50 : x
  2. Step 2: Convert to fraction form
    1,550,844.50/2,326,266.75 = 428,913.50/x
  3. Step 3: Cross multiply
    1,550,844.50x = 2,326,266.75 × 428,913.50
  4. Step 4: Simplify right side
    1,550,844.50x = 997,767,213,676.13
  5. Step 5: Solve for x
    x = 997,767,213,676.13/1,550,844.50
  6. Step 6: Final answer
    x = 643,370.25

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1.5x scale

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.