Home / 1,567,417.20-2,351,154.96-445,515.36

Finding the Fourth Proportional to 1,567,417.20, 2,351,154.96 and 445,515.36

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Solution

The fourth proportional to 1,567,417.20, 2,351,154.96 and 445,515.36 is: 668,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,417.20 : 2,351,154.96 = 445,515.36 : x
  2. Step 2: Convert to fraction form
    1,567,417.20/2,351,154.96 = 445,515.36/x
  3. Step 3: Cross multiply
    1,567,417.20x = 2,351,154.96 × 445,515.36
  4. Step 4: Simplify right side
    1,567,417.20x = 1,047,475,648,420.19
  5. Step 5: Solve for x
    x = 1,047,475,648,420.19/1,567,417.20
  6. Step 6: Final answer
    x = 668,281.33

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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.