Home / 1,149,699.77-1,724,816.76-391,547.78

Finding the Fourth Proportional to 1,149,699.77, 1,724,816.76 and 391,547.78

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Solution

The fourth proportional to 1,149,699.77, 1,724,816.76 and 391,547.78 is: 587,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,699.77 : 1,724,816.76 = 391,547.78 : x
  2. Step 2: Convert to fraction form
    1,149,699.77/1,724,816.76 = 391,547.78/x
  3. Step 3: Cross multiply
    1,149,699.77x = 1,724,816.76 × 391,547.78
  4. Step 4: Simplify right side
    1,149,699.77x = 675,348,173,284.79
  5. Step 5: Solve for x
    x = 675,348,173,284.79/1,149,699.77
  6. Step 6: Final answer
    x = 587,412.64

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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.