Home / 1,143,782.40-1,715,685.84-345,070.80

Finding the Fourth Proportional to 1,143,782.40, 1,715,685.84 and 345,070.80

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Solution

The fourth proportional to 1,143,782.40, 1,715,685.84 and 345,070.80 is: 517,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,782.40 : 1,715,685.84 = 345,070.80 : x
  2. Step 2: Convert to fraction form
    1,143,782.40/1,715,685.84 = 345,070.80/x
  3. Step 3: Cross multiply
    1,143,782.40x = 1,715,685.84 × 345,070.80
  4. Step 4: Simplify right side
    1,143,782.40x = 592,033,085,357.47
  5. Step 5: Solve for x
    x = 592,033,085,357.47/1,143,782.40
  6. Step 6: Final answer
    x = 517,609.89

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1.5x scale

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.