Home / 1,341,010.20-2,011,515.30-1,075,289.70

Finding the Fourth Proportional to 1,341,010.20, 2,011,515.30 and 1,075,289.70

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Solution

The fourth proportional to 1,341,010.20, 2,011,515.30 and 1,075,289.70 is: 1,612,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,010.20 : 2,011,515.30 = 1,075,289.70 : x
  2. Step 2: Convert to fraction form
    1,341,010.20/2,011,515.30 = 1,075,289.70/x
  3. Step 3: Cross multiply
    1,341,010.20x = 2,011,515.30 × 1,075,289.70
  4. Step 4: Simplify right side
    1,341,010.20x = 2,162,961,683,482.41
  5. Step 5: Solve for x
    x = 2,162,961,683,482.41/1,341,010.20
  6. Step 6: Final answer
    x = 1,612,934.55

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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.