Home / 1,021,486.72-1,532,929.44-356,638.72

Finding the Fourth Proportional to 1,021,486.72, 1,532,929.44 and 356,638.72

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Solution

The fourth proportional to 1,021,486.72, 1,532,929.44 and 356,638.72 is: 535,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,486.72 : 1,532,929.44 = 356,638.72 : x
  2. Step 2: Convert to fraction form
    1,021,486.72/1,532,929.44 = 356,638.72/x
  3. Step 3: Cross multiply
    1,021,486.72x = 1,532,929.44 × 356,638.72
  4. Step 4: Simplify right side
    1,021,486.72x = 546,701,993,331.92
  5. Step 5: Solve for x
    x = 546,701,993,331.92/1,021,486.72
  6. Step 6: Final answer
    x = 535,202.25

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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.