Home / 1,488,686.70-2,233,030.05-1,358,778.90

Finding the Fourth Proportional to 1,488,686.70, 2,233,030.05 and 1,358,778.90

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Solution

The fourth proportional to 1,488,686.70, 2,233,030.05 and 1,358,778.90 is: 2,038,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,686.70 : 2,233,030.05 = 1,358,778.90 : x
  2. Step 2: Convert to fraction form
    1,488,686.70/2,233,030.05 = 1,358,778.90/x
  3. Step 3: Cross multiply
    1,488,686.70x = 2,233,030.05 × 1,358,778.90
  4. Step 4: Simplify right side
    1,488,686.70x = 3,034,194,115,005.94
  5. Step 5: Solve for x
    x = 3,034,194,115,005.94/1,488,686.70
  6. Step 6: Final answer
    x = 2,038,168.35

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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.