Home / 1,690,602.71-2,333,025.77-916,252.35

Finding the Fourth Proportional to 1,690,602.71, 2,333,025.77 and 916,252.35

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Solution

The fourth proportional to 1,690,602.71, 2,333,025.77 and 916,252.35 is: 1,264,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,602.71 : 2,333,025.77 = 916,252.35 : x
  2. Step 2: Convert to fraction form
    1,690,602.71/2,333,025.77 = 916,252.35/x
  3. Step 3: Cross multiply
    1,690,602.71x = 2,333,025.77 × 916,252.35
  4. Step 4: Simplify right side
    1,690,602.71x = 2,137,640,342,705.34
  5. Step 5: Solve for x
    x = 2,137,640,342,705.34/1,690,602.71
  6. Step 6: Final answer
    x = 1,264,425.01

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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.