Home / 1,370,561.65-1,891,390.04-758,724.63

Finding the Fourth Proportional to 1,370,561.65, 1,891,390.04 and 758,724.63

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Solution

The fourth proportional to 1,370,561.65, 1,891,390.04 and 758,724.63 is: 1,047,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,561.65 : 1,891,390.04 = 758,724.63 : x
  2. Step 2: Convert to fraction form
    1,370,561.65/1,891,390.04 = 758,724.63/x
  3. Step 3: Cross multiply
    1,370,561.65x = 1,891,390.04 × 758,724.63
  4. Step 4: Simplify right side
    1,370,561.65x = 1,435,044,208,284.69
  5. Step 5: Solve for x
    x = 1,435,044,208,284.69/1,370,561.65
  6. Step 6: Final answer
    x = 1,047,048.27

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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.