Home / 1,325,607.90-1,829,546.64-781,803.47

Finding the Fourth Proportional to 1,325,607.90, 1,829,546.64 and 781,803.47

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Solution

The fourth proportional to 1,325,607.90, 1,829,546.64 and 781,803.47 is: 1,079,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,607.90 : 1,829,546.64 = 781,803.47 : x
  2. Step 2: Convert to fraction form
    1,325,607.90/1,829,546.64 = 781,803.47/x
  3. Step 3: Cross multiply
    1,325,607.90x = 1,829,546.64 × 781,803.47
  4. Step 4: Simplify right side
    1,325,607.90x = 1,430,345,911,678.84
  5. Step 5: Solve for x
    x = 1,430,345,911,678.84/1,325,607.90
  6. Step 6: Final answer
    x = 1,079,011.31

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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.