Home / 1,585,357.32-2,378,283.96-520,157.16

Finding the Fourth Proportional to 1,585,357.32, 2,378,283.96 and 520,157.16

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Solution

The fourth proportional to 1,585,357.32, 2,378,283.96 and 520,157.16 is: 780,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,357.32 : 2,378,283.96 = 520,157.16 : x
  2. Step 2: Convert to fraction form
    1,585,357.32/2,378,283.96 = 520,157.16/x
  3. Step 3: Cross multiply
    1,585,357.32x = 2,378,283.96 × 520,157.16
  4. Step 4: Simplify right side
    1,585,357.32x = 1,237,081,430,307.15
  5. Step 5: Solve for x
    x = 1,237,081,430,307.15/1,585,357.32
  6. Step 6: Final answer
    x = 780,317.10

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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.