Home / 1,225,980.74-1,835,428.14-777,208.34

Finding the Fourth Proportional to 1,225,980.74, 1,835,428.14 and 777,208.34

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Solution

The fourth proportional to 1,225,980.74, 1,835,428.14 and 777,208.34 is: 1,163,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,980.74 : 1,835,428.14 = 777,208.34 : x
  2. Step 2: Convert to fraction form
    1,225,980.74/1,835,428.14 = 777,208.34/x
  3. Step 3: Cross multiply
    1,225,980.74x = 1,835,428.14 × 777,208.34
  4. Step 4: Simplify right side
    1,225,980.74x = 1,426,510,057,878.69
  5. Step 5: Solve for x
    x = 1,426,510,057,878.69/1,225,980.74
  6. Step 6: Final answer
    x = 1,163,566.45

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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.