Home / 1,037,344.32-1,556,278.88-289,389.76

Finding the Fourth Proportional to 1,037,344.32, 1,556,278.88 and 289,389.76

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Solution

The fourth proportional to 1,037,344.32, 1,556,278.88 and 289,389.76 is: 434,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,344.32 : 1,556,278.88 = 289,389.76 : x
  2. Step 2: Convert to fraction form
    1,037,344.32/1,556,278.88 = 289,389.76/x
  3. Step 3: Cross multiply
    1,037,344.32x = 1,556,278.88 × 289,389.76
  4. Step 4: Simplify right side
    1,037,344.32x = 450,371,171,576.27
  5. Step 5: Solve for x
    x = 450,371,171,576.27/1,037,344.32
  6. Step 6: Final answer
    x = 434,157.84

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1.5x scale

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.