Home / 1,089,050.60-1,502,669.59-636,254.12

Finding the Fourth Proportional to 1,089,050.60, 1,502,669.59 and 636,254.12

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Solution

The fourth proportional to 1,089,050.60, 1,502,669.59 and 636,254.12 is: 877,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,050.60 : 1,502,669.59 = 636,254.12 : x
  2. Step 2: Convert to fraction form
    1,089,050.60/1,502,669.59 = 636,254.12/x
  3. Step 3: Cross multiply
    1,089,050.60x = 1,502,669.59 × 636,254.12
  4. Step 4: Simplify right side
    1,089,050.60x = 956,079,708,532.23
  5. Step 5: Solve for x
    x = 956,079,708,532.23/1,089,050.60
  6. Step 6: Final answer
    x = 877,902.01

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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.