Home / 1,426,941.86-2,137,561.02-858,011.49

Finding the Fourth Proportional to 1,426,941.86, 2,137,561.02 and 858,011.49

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Solution

The fourth proportional to 1,426,941.86, 2,137,561.02 and 858,011.49 is: 1,285,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,941.86 : 2,137,561.02 = 858,011.49 : x
  2. Step 2: Convert to fraction form
    1,426,941.86/2,137,561.02 = 858,011.49/x
  3. Step 3: Cross multiply
    1,426,941.86x = 2,137,561.02 × 858,011.49
  4. Step 4: Simplify right side
    1,426,941.86x = 1,834,051,915,736.12
  5. Step 5: Solve for x
    x = 1,834,051,915,736.12/1,426,941.86
  6. Step 6: Final answer
    x = 1,285,302.49

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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.