Home / 1,429,562.52-1,972,830.74-776,216.32

Finding the Fourth Proportional to 1,429,562.52, 1,972,830.74 and 776,216.32

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Solution

The fourth proportional to 1,429,562.52, 1,972,830.74 and 776,216.32 is: 1,071,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,562.52 : 1,972,830.74 = 776,216.32 : x
  2. Step 2: Convert to fraction form
    1,429,562.52/1,972,830.74 = 776,216.32/x
  3. Step 3: Cross multiply
    1,429,562.52x = 1,972,830.74 × 776,216.32
  4. Step 4: Simplify right side
    1,429,562.52x = 1,531,343,408,172.52
  5. Step 5: Solve for x
    x = 1,531,343,408,172.52/1,429,562.52
  6. Step 6: Final answer
    x = 1,071,197.23

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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.