Home / 1,248,681.51-1,723,180.48-675,721.68

Finding the Fourth Proportional to 1,248,681.51, 1,723,180.48 and 675,721.68

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Solution

The fourth proportional to 1,248,681.51, 1,723,180.48 and 675,721.68 is: 932,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,681.51 : 1,723,180.48 = 675,721.68 : x
  2. Step 2: Convert to fraction form
    1,248,681.51/1,723,180.48 = 675,721.68/x
  3. Step 3: Cross multiply
    1,248,681.51x = 1,723,180.48 × 675,721.68
  4. Step 4: Simplify right side
    1,248,681.51x = 1,164,390,408,888.81
  5. Step 5: Solve for x
    x = 1,164,390,408,888.81/1,248,681.51
  6. Step 6: Final answer
    x = 932,495.92

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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.