Home / 1,224,008.20-1,685,352.18-1,017,555.40

Finding the Fourth Proportional to 1,224,008.20, 1,685,352.18 and 1,017,555.40

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Solution

The fourth proportional to 1,224,008.20, 1,685,352.18 and 1,017,555.40 is: 1,401,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,008.20 : 1,685,352.18 = 1,017,555.40 : x
  2. Step 2: Convert to fraction form
    1,224,008.20/1,685,352.18 = 1,017,555.40/x
  3. Step 3: Cross multiply
    1,224,008.20x = 1,685,352.18 × 1,017,555.40
  4. Step 4: Simplify right side
    1,224,008.20x = 1,714,939,211,660.77
  5. Step 5: Solve for x
    x = 1,714,939,211,660.77/1,224,008.20
  6. Step 6: Final answer
    x = 1,401,084.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.