Home / 1,208,412.02-1,667,575.32-664,547.81

Finding the Fourth Proportional to 1,208,412.02, 1,667,575.32 and 664,547.81

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Solution

The fourth proportional to 1,208,412.02, 1,667,575.32 and 664,547.81 is: 917,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,412.02 : 1,667,575.32 = 664,547.81 : x
  2. Step 2: Convert to fraction form
    1,208,412.02/1,667,575.32 = 664,547.81/x
  3. Step 3: Cross multiply
    1,208,412.02x = 1,667,575.32 × 664,547.81
  4. Step 4: Simplify right side
    1,208,412.02x = 1,108,183,518,578.17
  5. Step 5: Solve for x
    x = 1,108,183,518,578.17/1,208,412.02
  6. Step 6: Final answer
    x = 917,057.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.