Home / 1,535,364.60-2,118,117.90-890,410.92

Finding the Fourth Proportional to 1,535,364.60, 2,118,117.90 and 890,410.92

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Solution

The fourth proportional to 1,535,364.60, 2,118,117.90 and 890,410.92 is: 1,228,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,364.60 : 2,118,117.90 = 890,410.92 : x
  2. Step 2: Convert to fraction form
    1,535,364.60/2,118,117.90 = 890,410.92/x
  3. Step 3: Cross multiply
    1,535,364.60x = 2,118,117.90 × 890,410.92
  4. Step 4: Simplify right side
    1,535,364.60x = 1,885,995,308,007.47
  5. Step 5: Solve for x
    x = 1,885,995,308,007.47/1,535,364.60
  6. Step 6: Final answer
    x = 1,228,369.67

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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.