Home / 1,341,123.84-1,850,769.02-768,163.44

Finding the Fourth Proportional to 1,341,123.84, 1,850,769.02 and 768,163.44

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Solution

The fourth proportional to 1,341,123.84, 1,850,769.02 and 768,163.44 is: 1,060,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,123.84 : 1,850,769.02 = 768,163.44 : x
  2. Step 2: Convert to fraction form
    1,341,123.84/1,850,769.02 = 768,163.44/x
  3. Step 3: Cross multiply
    1,341,123.84x = 1,850,769.02 × 768,163.44
  4. Step 4: Simplify right side
    1,341,123.84x = 1,421,693,097,048.63
  5. Step 5: Solve for x
    x = 1,421,693,097,048.63/1,341,123.84
  6. Step 6: Final answer
    x = 1,060,075.93

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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.