Home / 1,680,946.72-2,319,703.34-917,000.22

Finding the Fourth Proportional to 1,680,946.72, 2,319,703.34 and 917,000.22

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Solution

The fourth proportional to 1,680,946.72, 2,319,703.34 and 917,000.22 is: 1,265,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,946.72 : 2,319,703.34 = 917,000.22 : x
  2. Step 2: Convert to fraction form
    1,680,946.72/2,319,703.34 = 917,000.22/x
  3. Step 3: Cross multiply
    1,680,946.72x = 2,319,703.34 × 917,000.22
  4. Step 4: Simplify right side
    1,680,946.72x = 2,127,168,473,114.73
  5. Step 5: Solve for x
    x = 2,127,168,473,114.73/1,680,946.72
  6. Step 6: Final answer
    x = 1,265,458.59

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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.