Home / 1,395,975.18-1,926,492.51-775,806.47

Finding the Fourth Proportional to 1,395,975.18, 1,926,492.51 and 775,806.47

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Solution

The fourth proportional to 1,395,975.18, 1,926,492.51 and 775,806.47 is: 1,070,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,975.18 : 1,926,492.51 = 775,806.47 : x
  2. Step 2: Convert to fraction form
    1,395,975.18/1,926,492.51 = 775,806.47/x
  3. Step 3: Cross multiply
    1,395,975.18x = 1,926,492.51 × 775,806.47
  4. Step 4: Simplify right side
    1,395,975.18x = 1,494,585,360,638.31
  5. Step 5: Solve for x
    x = 1,494,585,360,638.31/1,395,975.18
  6. Step 6: Final answer
    x = 1,070,638.92

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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.