Home / 1,105,021.64-1,657,368.42-306,219.89

Finding the Fourth Proportional to 1,105,021.64, 1,657,368.42 and 306,219.89

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Solution

The fourth proportional to 1,105,021.64, 1,657,368.42 and 306,219.89 is: 459,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,021.64 : 1,657,368.42 = 306,219.89 : x
  2. Step 2: Convert to fraction form
    1,105,021.64/1,657,368.42 = 306,219.89/x
  3. Step 3: Cross multiply
    1,105,021.64x = 1,657,368.42 × 306,219.89
  4. Step 4: Simplify right side
    1,105,021.64x = 507,519,166,975.03
  5. Step 5: Solve for x
    x = 507,519,166,975.03/1,105,021.64
  6. Step 6: Final answer
    x = 459,284.37

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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.