Home / 1,316,988.87-1,975,482.83-370,359.57

Finding the Fourth Proportional to 1,316,988.87, 1,975,482.83 and 370,359.57

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Solution

The fourth proportional to 1,316,988.87, 1,975,482.83 and 370,359.57 is: 555,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,988.87 : 1,975,482.83 = 370,359.57 : x
  2. Step 2: Convert to fraction form
    1,316,988.87/1,975,482.83 = 370,359.57/x
  3. Step 3: Cross multiply
    1,316,988.87x = 1,975,482.83 × 370,359.57
  4. Step 4: Simplify right side
    1,316,988.87x = 731,638,969,609.39
  5. Step 5: Solve for x
    x = 731,638,969,609.39/1,316,988.87
  6. Step 6: Final answer
    x = 555,539.22

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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.