Home / 1,453,153.90-2,178,746.70-742,597.60

Finding the Fourth Proportional to 1,453,153.90, 2,178,746.70 and 742,597.60

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Solution

The fourth proportional to 1,453,153.90, 2,178,746.70 and 742,597.60 is: 1,113,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,153.90 : 2,178,746.70 = 742,597.60 : x
  2. Step 2: Convert to fraction form
    1,453,153.90/2,178,746.70 = 742,597.60/x
  3. Step 3: Cross multiply
    1,453,153.90x = 2,178,746.70 × 742,597.60
  4. Step 4: Simplify right side
    1,453,153.90x = 1,617,932,070,427.92
  5. Step 5: Solve for x
    x = 1,617,932,070,427.92/1,453,153.90
  6. Step 6: Final answer
    x = 1,113,393.47

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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.