Home / 1,118,666.34-1,678,065.81-350,307.75

Finding the Fourth Proportional to 1,118,666.34, 1,678,065.81 and 350,307.75

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Solution

The fourth proportional to 1,118,666.34, 1,678,065.81 and 350,307.75 is: 525,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,666.34 : 1,678,065.81 = 350,307.75 : x
  2. Step 2: Convert to fraction form
    1,118,666.34/1,678,065.81 = 350,307.75/x
  3. Step 3: Cross multiply
    1,118,666.34x = 1,678,065.81 × 350,307.75
  4. Step 4: Simplify right side
    1,118,666.34x = 587,839,458,253.03
  5. Step 5: Solve for x
    x = 587,839,458,253.03/1,118,666.34
  6. Step 6: Final answer
    x = 525,482.39

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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.