Home / 1,020,823.70-1,531,118.90-272,928.02

Finding the Fourth Proportional to 1,020,823.70, 1,531,118.90 and 272,928.02

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Solution

The fourth proportional to 1,020,823.70, 1,531,118.90 and 272,928.02 is: 409,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,823.70 : 1,531,118.90 = 272,928.02 : x
  2. Step 2: Convert to fraction form
    1,020,823.70/1,531,118.90 = 272,928.02/x
  3. Step 3: Cross multiply
    1,020,823.70x = 1,531,118.90 × 272,928.02
  4. Step 4: Simplify right side
    1,020,823.70x = 417,885,242,788.30
  5. Step 5: Solve for x
    x = 417,885,242,788.30/1,020,823.70
  6. Step 6: Final answer
    x = 409,360.84

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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.