Home / 1,472,608.66-2,208,666.96-407,758.36

Finding the Fourth Proportional to 1,472,608.66, 2,208,666.96 and 407,758.36

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Solution

The fourth proportional to 1,472,608.66, 2,208,666.96 and 407,758.36 is: 611,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,608.66 : 2,208,666.96 = 407,758.36 : x
  2. Step 2: Convert to fraction form
    1,472,608.66/2,208,666.96 = 407,758.36/x
  3. Step 3: Cross multiply
    1,472,608.66x = 2,208,666.96 × 407,758.36
  4. Step 4: Simplify right side
    1,472,608.66x = 900,602,417,395.79
  5. Step 5: Solve for x
    x = 900,602,417,395.79/1,472,608.66
  6. Step 6: Final answer
    x = 611,569.42

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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.