Home / 939,967.47-1,292,167.35-808,665.46

Finding the Fourth Proportional to 939,967.47, 1,292,167.35 and 808,665.46

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Solution

The fourth proportional to 939,967.47, 1,292,167.35 and 808,665.46 is: 1,111,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,967.47 : 1,292,167.35 = 808,665.46 : x
  2. Step 2: Convert to fraction form
    939,967.47/1,292,167.35 = 808,665.46/x
  3. Step 3: Cross multiply
    939,967.47x = 1,292,167.35 × 808,665.46
  4. Step 4: Simplify right side
    939,967.47x = 1,044,931,101,254.31
  5. Step 5: Solve for x
    x = 1,044,931,101,254.31/939,967.47
  6. Step 6: Final answer
    x = 1,111,667.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.