Home / 1,447,121-1,997,026.98-802,639.88

Finding the Fourth Proportional to 1,447,121, 1,997,026.98 and 802,639.88

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Solution

The fourth proportional to 1,447,121, 1,997,026.98 and 802,639.88 is: 1,107,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,121 : 1,997,026.98 = 802,639.88 : x
  2. Step 2: Convert to fraction form
    1,447,121/1,997,026.98 = 802,639.88/x
  3. Step 3: Cross multiply
    1,447,121x = 1,997,026.98 × 802,639.88
  4. Step 4: Simplify right side
    1,447,121x = 1,602,893,495,583.96
  5. Step 5: Solve for x
    x = 1,602,893,495,583.96/1,447,121
  6. Step 6: Final answer
    x = 1,107,643.03

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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.