Home / 1,301,442.40-1,952,163.60-768,689.20

Finding the Fourth Proportional to 1,301,442.40, 1,952,163.60 and 768,689.20

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Solution

The fourth proportional to 1,301,442.40, 1,952,163.60 and 768,689.20 is: 1,153,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,442.40 : 1,952,163.60 = 768,689.20 : x
  2. Step 2: Convert to fraction form
    1,301,442.40/1,952,163.60 = 768,689.20/x
  3. Step 3: Cross multiply
    1,301,442.40x = 1,952,163.60 × 768,689.20
  4. Step 4: Simplify right side
    1,301,442.40x = 1,500,607,075,953.12
  5. Step 5: Solve for x
    x = 1,500,607,075,953.12/1,301,442.40
  6. Step 6: Final answer
    x = 1,153,033.80

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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.