Home / 1,162,151.46-1,603,810.26-645,915.60

Finding the Fourth Proportional to 1,162,151.46, 1,603,810.26 and 645,915.60

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Solution

The fourth proportional to 1,162,151.46, 1,603,810.26 and 645,915.60 is: 891,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,151.46 : 1,603,810.26 = 645,915.60 : x
  2. Step 2: Convert to fraction form
    1,162,151.46/1,603,810.26 = 645,915.60/x
  3. Step 3: Cross multiply
    1,162,151.46x = 1,603,810.26 × 645,915.60
  4. Step 4: Simplify right side
    1,162,151.46x = 1,035,926,066,374.06
  5. Step 5: Solve for x
    x = 1,035,926,066,374.06/1,162,151.46
  6. Step 6: Final answer
    x = 891,386.45

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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.