Home / 1,875,356.46-2,812,995.81-455,419.98

Finding the Fourth Proportional to 1,875,356.46, 2,812,995.81 and 455,419.98

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Solution

The fourth proportional to 1,875,356.46, 2,812,995.81 and 455,419.98 is: 683,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,356.46 : 2,812,995.81 = 455,419.98 : x
  2. Step 2: Convert to fraction form
    1,875,356.46/2,812,995.81 = 455,419.98/x
  3. Step 3: Cross multiply
    1,875,356.46x = 2,812,995.81 × 455,419.98
  4. Step 4: Simplify right side
    1,875,356.46x = 1,281,094,495,530.28
  5. Step 5: Solve for x
    x = 1,281,094,495,530.28/1,875,356.46
  6. Step 6: Final answer
    x = 683,120.53

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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.