Home / 1,105,011.40-1,657,529.38-306,299.86

Finding the Fourth Proportional to 1,105,011.40, 1,657,529.38 and 306,299.86

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Solution

The fourth proportional to 1,105,011.40, 1,657,529.38 and 306,299.86 is: 459,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,011.40 : 1,657,529.38 = 306,299.86 : x
  2. Step 2: Convert to fraction form
    1,105,011.40/1,657,529.38 = 306,299.86/x
  3. Step 3: Cross multiply
    1,105,011.40x = 1,657,529.38 × 306,299.86
  4. Step 4: Simplify right side
    1,105,011.40x = 507,701,017,039.89
  5. Step 5: Solve for x
    x = 507,701,017,039.89/1,105,011.40
  6. Step 6: Final answer
    x = 459,453.19

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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.