Home / 1,277,031.23-1,916,793.45-1,054,657.07

Finding the Fourth Proportional to 1,277,031.23, 1,916,793.45 and 1,054,657.07

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Solution

The fourth proportional to 1,277,031.23, 1,916,793.45 and 1,054,657.07 is: 1,583,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,031.23 : 1,916,793.45 = 1,054,657.07 : x
  2. Step 2: Convert to fraction form
    1,277,031.23/1,916,793.45 = 1,054,657.07/x
  3. Step 3: Cross multiply
    1,277,031.23x = 1,916,793.45 × 1,054,657.07
  4. Step 4: Simplify right side
    1,277,031.23x = 2,021,559,763,772.19
  5. Step 5: Solve for x
    x = 2,021,559,763,772.19/1,277,031.23
  6. Step 6: Final answer
    x = 1,583,015.13

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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.