Home / 1,221,653.04-1,685,849.06-670,367.06

Finding the Fourth Proportional to 1,221,653.04, 1,685,849.06 and 670,367.06

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Solution

The fourth proportional to 1,221,653.04, 1,685,849.06 and 670,367.06 is: 925,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,653.04 : 1,685,849.06 = 670,367.06 : x
  2. Step 2: Convert to fraction form
    1,221,653.04/1,685,849.06 = 670,367.06/x
  3. Step 3: Cross multiply
    1,221,653.04x = 1,685,849.06 × 670,367.06
  4. Step 4: Simplify right side
    1,221,653.04x = 1,130,137,683,208.76
  5. Step 5: Solve for x
    x = 1,130,137,683,208.76/1,221,653.04
  6. Step 6: Final answer
    x = 925,088.92

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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.