Home / 1,360,447.79-1,877,431.28-748,613.72

Finding the Fourth Proportional to 1,360,447.79, 1,877,431.28 and 748,613.72

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Solution

The fourth proportional to 1,360,447.79, 1,877,431.28 and 748,613.72 is: 1,033,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,447.79 : 1,877,431.28 = 748,613.72 : x
  2. Step 2: Convert to fraction form
    1,360,447.79/1,877,431.28 = 748,613.72/x
  3. Step 3: Cross multiply
    1,360,447.79x = 1,877,431.28 × 748,613.72
  4. Step 4: Simplify right side
    1,360,447.79x = 1,405,470,815,515.67
  5. Step 5: Solve for x
    x = 1,405,470,815,515.67/1,360,447.79
  6. Step 6: Final answer
    x = 1,033,094.27

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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.