Home / 1,266,011.15-1,898,898.77-355,278.74

Finding the Fourth Proportional to 1,266,011.15, 1,898,898.77 and 355,278.74

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Solution

The fourth proportional to 1,266,011.15, 1,898,898.77 and 355,278.74 is: 532,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,011.15 : 1,898,898.77 = 355,278.74 : x
  2. Step 2: Convert to fraction form
    1,266,011.15/1,898,898.77 = 355,278.74/x
  3. Step 3: Cross multiply
    1,266,011.15x = 1,898,898.77 × 355,278.74
  4. Step 4: Simplify right side
    1,266,011.15x = 674,638,353,786.85
  5. Step 5: Solve for x
    x = 674,638,353,786.85/1,266,011.15
  6. Step 6: Final answer
    x = 532,885.00

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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.