Home / 1,590,576.05-2,385,567.72-511,107.32

Finding the Fourth Proportional to 1,590,576.05, 2,385,567.72 and 511,107.32

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Solution

The fourth proportional to 1,590,576.05, 2,385,567.72 and 511,107.32 is: 766,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,576.05 : 2,385,567.72 = 511,107.32 : x
  2. Step 2: Convert to fraction form
    1,590,576.05/2,385,567.72 = 511,107.32/x
  3. Step 3: Cross multiply
    1,590,576.05x = 2,385,567.72 × 511,107.32
  4. Step 4: Simplify right side
    1,590,576.05x = 1,219,281,124,047.71
  5. Step 5: Solve for x
    x = 1,219,281,124,047.71/1,590,576.05
  6. Step 6: Final answer
    x = 766,565.75

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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.