Home / 1,089,089.84-1,502,723.64-636,293.36

Finding the Fourth Proportional to 1,089,089.84, 1,502,723.64 and 636,293.36

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Solution

The fourth proportional to 1,089,089.84, 1,502,723.64 and 636,293.36 is: 877,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,089.84 : 1,502,723.64 = 636,293.36 : x
  2. Step 2: Convert to fraction form
    1,089,089.84/1,502,723.64 = 636,293.36/x
  3. Step 3: Cross multiply
    1,089,089.84x = 1,502,723.64 × 636,293.36
  4. Step 4: Simplify right side
    1,089,089.84x = 956,173,074,047.03
  5. Step 5: Solve for x
    x = 956,173,074,047.03/1,089,089.84
  6. Step 6: Final answer
    x = 877,956.11

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1.5x scale

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.