Home / 1,122,312.80-1,685,024.40-885,922.40

Finding the Fourth Proportional to 1,122,312.80, 1,685,024.40 and 885,922.40

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Solution

The fourth proportional to 1,122,312.80, 1,685,024.40 and 885,922.40 is: 1,330,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,312.80 : 1,685,024.40 = 885,922.40 : x
  2. Step 2: Convert to fraction form
    1,122,312.80/1,685,024.40 = 885,922.40/x
  3. Step 3: Cross multiply
    1,122,312.80x = 1,685,024.40 × 885,922.40
  4. Step 4: Simplify right side
    1,122,312.80x = 1,492,800,860,506.56
  5. Step 5: Solve for x
    x = 1,492,800,860,506.56/1,122,312.80
  6. Step 6: Final answer
    x = 1,330,111.23

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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.