Home / 885,886.20-1,328,829.30-880,637.40

Finding the Fourth Proportional to 885,886.20, 1,328,829.30 and 880,637.40

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Solution

The fourth proportional to 885,886.20, 1,328,829.30 and 880,637.40 is: 1,320,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,886.20 : 1,328,829.30 = 880,637.40 : x
  2. Step 2: Convert to fraction form
    885,886.20/1,328,829.30 = 880,637.40/x
  3. Step 3: Cross multiply
    885,886.20x = 1,328,829.30 × 880,637.40
  4. Step 4: Simplify right side
    885,886.20x = 1,170,216,779,795.82
  5. Step 5: Solve for x
    x = 1,170,216,779,795.82/885,886.20
  6. Step 6: Final answer
    x = 1,320,956.10

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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.