Home / 1,089,050.22-1,502,669.07-636,253.74

Finding the Fourth Proportional to 1,089,050.22, 1,502,669.07 and 636,253.74

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Solution

The fourth proportional to 1,089,050.22, 1,502,669.07 and 636,253.74 is: 877,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,050.22 : 1,502,669.07 = 636,253.74 : x
  2. Step 2: Convert to fraction form
    1,089,050.22/1,502,669.07 = 636,253.74/x
  3. Step 3: Cross multiply
    1,089,050.22x = 1,502,669.07 × 636,253.74
  4. Step 4: Simplify right side
    1,089,050.22x = 956,078,815,769.82
  5. Step 5: Solve for x
    x = 956,078,815,769.82/1,089,050.22
  6. Step 6: Final answer
    x = 877,901.49

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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.