Home / 1,436,662.34-2,155,048.78-538,011.08

Finding the Fourth Proportional to 1,436,662.34, 2,155,048.78 and 538,011.08

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Solution

The fourth proportional to 1,436,662.34, 2,155,048.78 and 538,011.08 is: 807,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,662.34 : 2,155,048.78 = 538,011.08 : x
  2. Step 2: Convert to fraction form
    1,436,662.34/2,155,048.78 = 538,011.08/x
  3. Step 3: Cross multiply
    1,436,662.34x = 2,155,048.78 × 538,011.08
  4. Step 4: Simplify right side
    1,436,662.34x = 1,159,440,121,580.48
  5. Step 5: Solve for x
    x = 1,159,440,121,580.48/1,436,662.34
  6. Step 6: Final answer
    x = 807,037.32

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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.