Home / 1,017,780.30-1,526,670.45-717,626.70

Finding the Fourth Proportional to 1,017,780.30, 1,526,670.45 and 717,626.70

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Solution

The fourth proportional to 1,017,780.30, 1,526,670.45 and 717,626.70 is: 1,076,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,780.30 : 1,526,670.45 = 717,626.70 : x
  2. Step 2: Convert to fraction form
    1,017,780.30/1,526,670.45 = 717,626.70/x
  3. Step 3: Cross multiply
    1,017,780.30x = 1,526,670.45 × 717,626.70
  4. Step 4: Simplify right side
    1,017,780.30x = 1,095,579,477,021.01
  5. Step 5: Solve for x
    x = 1,095,579,477,021.01/1,017,780.30
  6. Step 6: Final answer
    x = 1,076,440.05

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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.