Home / 1,099,207.40-1,648,811.10-912,583.40

Finding the Fourth Proportional to 1,099,207.40, 1,648,811.10 and 912,583.40

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Solution

The fourth proportional to 1,099,207.40, 1,648,811.10 and 912,583.40 is: 1,368,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,207.40 : 1,648,811.10 = 912,583.40 : x
  2. Step 2: Convert to fraction form
    1,099,207.40/1,648,811.10 = 912,583.40/x
  3. Step 3: Cross multiply
    1,099,207.40x = 1,648,811.10 × 912,583.40
  4. Step 4: Simplify right side
    1,099,207.40x = 1,504,677,639,595.74
  5. Step 5: Solve for x
    x = 1,504,677,639,595.74/1,099,207.40
  6. Step 6: Final answer
    x = 1,368,875.10

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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.