Home / 1,447,440-1,997,476.88-802,871.16

Finding the Fourth Proportional to 1,447,440, 1,997,476.88 and 802,871.16

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Solution

The fourth proportional to 1,447,440, 1,997,476.88 and 802,871.16 is: 1,107,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,440 : 1,997,476.88 = 802,871.16 : x
  2. Step 2: Convert to fraction form
    1,447,440/1,997,476.88 = 802,871.16/x
  3. Step 3: Cross multiply
    1,447,440x = 1,997,476.88 × 802,871.16
  4. Step 4: Simplify right side
    1,447,440x = 1,603,716,579,718.78
  5. Step 5: Solve for x
    x = 1,603,716,579,718.78/1,447,440
  6. Step 6: Final answer
    x = 1,107,967.57

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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.