Home / 1,890,981.52-2,836,090.80-692,494.72

Finding the Fourth Proportional to 1,890,981.52, 2,836,090.80 and 692,494.72

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Solution

The fourth proportional to 1,890,981.52, 2,836,090.80 and 692,494.72 is: 1,038,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,981.52 : 2,836,090.80 = 692,494.72 : x
  2. Step 2: Convert to fraction form
    1,890,981.52/2,836,090.80 = 692,494.72/x
  3. Step 3: Cross multiply
    1,890,981.52x = 2,836,090.80 × 692,494.72
  4. Step 4: Simplify right side
    1,890,981.52x = 1,963,977,904,440.58
  5. Step 5: Solve for x
    x = 1,963,977,904,440.58/1,890,981.52
  6. Step 6: Final answer
    x = 1,038,602.38

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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.