Home / 1,051,057.64-1,576,340.70-340,903.40

Finding the Fourth Proportional to 1,051,057.64, 1,576,340.70 and 340,903.40

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Solution

The fourth proportional to 1,051,057.64, 1,576,340.70 and 340,903.40 is: 511,275.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,057.64 : 1,576,340.70 = 340,903.40 : x
  2. Step 2: Convert to fraction form
    1,051,057.64/1,576,340.70 = 340,903.40/x
  3. Step 3: Cross multiply
    1,051,057.64x = 1,576,340.70 × 340,903.40
  4. Step 4: Simplify right side
    1,051,057.64x = 537,379,904,188.38
  5. Step 5: Solve for x
    x = 537,379,904,188.38/1,051,057.64
  6. Step 6: Final answer
    x = 511,275.39

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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.