Home / 1,362,505.39-1,880,259.21-742,307.49

Finding the Fourth Proportional to 1,362,505.39, 1,880,259.21 and 742,307.49

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Solution

The fourth proportional to 1,362,505.39, 1,880,259.21 and 742,307.49 is: 1,024,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,505.39 : 1,880,259.21 = 742,307.49 : x
  2. Step 2: Convert to fraction form
    1,362,505.39/1,880,259.21 = 742,307.49/x
  3. Step 3: Cross multiply
    1,362,505.39x = 1,880,259.21 × 742,307.49
  4. Step 4: Simplify right side
    1,362,505.39x = 1,395,730,494,724.48
  5. Step 5: Solve for x
    x = 1,395,730,494,724.48/1,362,505.39
  6. Step 6: Final answer
    x = 1,024,385.30

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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.