Home / 1,210,364.66-1,815,678.41-452,569.16

Finding the Fourth Proportional to 1,210,364.66, 1,815,678.41 and 452,569.16

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Solution

The fourth proportional to 1,210,364.66, 1,815,678.41 and 452,569.16 is: 678,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,364.66 : 1,815,678.41 = 452,569.16 : x
  2. Step 2: Convert to fraction form
    1,210,364.66/1,815,678.41 = 452,569.16/x
  3. Step 3: Cross multiply
    1,210,364.66x = 1,815,678.41 × 452,569.16
  4. Step 4: Simplify right side
    1,210,364.66x = 821,720,041,502.60
  5. Step 5: Solve for x
    x = 821,720,041,502.60/1,210,364.66
  6. Step 6: Final answer
    x = 678,902.87

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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.