Home / 1,087,220.88-1,500,314.76-603,816.72

Finding the Fourth Proportional to 1,087,220.88, 1,500,314.76 and 603,816.72

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Solution

The fourth proportional to 1,087,220.88, 1,500,314.76 and 603,816.72 is: 833,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,220.88 : 1,500,314.76 = 603,816.72 : x
  2. Step 2: Convert to fraction form
    1,087,220.88/1,500,314.76 = 603,816.72/x
  3. Step 3: Cross multiply
    1,087,220.88x = 1,500,314.76 × 603,816.72
  4. Step 4: Simplify right side
    1,087,220.88x = 905,915,137,350.79
  5. Step 5: Solve for x
    x = 905,915,137,350.79/1,087,220.88
  6. Step 6: Final answer
    x = 833,239.27

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1.5x scale

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.