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Finding the Fourth Proportional to 1,343,487, 1,853,928.03 and 739,875

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Solution

The fourth proportional to 1,343,487, 1,853,928.03 and 739,875 is: 1,020,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,487 : 1,853,928.03 = 739,875 : x
  2. Step 2: Convert to fraction form
    1,343,487/1,853,928.03 = 739,875/x
  3. Step 3: Cross multiply
    1,343,487x = 1,853,928.03 × 739,875
  4. Step 4: Simplify right side
    1,343,487x = 1,371,675,001,196.25
  5. Step 5: Solve for x
    x = 1,371,675,001,196.25/1,343,487
  6. Step 6: Final answer
    x = 1,020,981.22

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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.