Home / 1,640,166.40-2,459,374.80-692,466.40

Finding the Fourth Proportional to 1,640,166.40, 2,459,374.80 and 692,466.40

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Solution

The fourth proportional to 1,640,166.40, 2,459,374.80 and 692,466.40 is: 1,038,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,166.40 : 2,459,374.80 = 692,466.40 : x
  2. Step 2: Convert to fraction form
    1,640,166.40/2,459,374.80 = 692,466.40/x
  3. Step 3: Cross multiply
    1,640,166.40x = 2,459,374.80 × 692,466.40
  4. Step 4: Simplify right side
    1,640,166.40x = 1,703,034,414,006.72
  5. Step 5: Solve for x
    x = 1,703,034,414,006.72/1,640,166.40
  6. Step 6: Final answer
    x = 1,038,330.27

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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.