Home / 1,122,213.88-1,547,629.50-877,231

Finding the Fourth Proportional to 1,122,213.88, 1,547,629.50 and 877,231

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Solution

The fourth proportional to 1,122,213.88, 1,547,629.50 and 877,231 is: 1,209,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,213.88 : 1,547,629.50 = 877,231 : x
  2. Step 2: Convert to fraction form
    1,122,213.88/1,547,629.50 = 877,231/x
  3. Step 3: Cross multiply
    1,122,213.88x = 1,547,629.50 × 877,231
  4. Step 4: Simplify right side
    1,122,213.88x = 1,357,628,573,914.50
  5. Step 5: Solve for x
    x = 1,357,628,573,914.50/1,122,213.88
  6. Step 6: Final answer
    x = 1,209,777.03

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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.