Home / 1,117,462.40-1,676,258.40-318,802.40

Finding the Fourth Proportional to 1,117,462.40, 1,676,258.40 and 318,802.40

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Solution

The fourth proportional to 1,117,462.40, 1,676,258.40 and 318,802.40 is: 478,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,462.40 : 1,676,258.40 = 318,802.40 : x
  2. Step 2: Convert to fraction form
    1,117,462.40/1,676,258.40 = 318,802.40/x
  3. Step 3: Cross multiply
    1,117,462.40x = 1,676,258.40 × 318,802.40
  4. Step 4: Simplify right side
    1,117,462.40x = 534,395,200,940.16
  5. Step 5: Solve for x
    x = 534,395,200,940.16/1,117,462.40
  6. Step 6: Final answer
    x = 478,222.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.