Home / 1,495,384.40-2,239,917.60-990,187.40

Finding the Fourth Proportional to 1,495,384.40, 2,239,917.60 and 990,187.40

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Solution

The fourth proportional to 1,495,384.40, 2,239,917.60 and 990,187.40 is: 1,483,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,384.40 : 2,239,917.60 = 990,187.40 : x
  2. Step 2: Convert to fraction form
    1,495,384.40/2,239,917.60 = 990,187.40/x
  3. Step 3: Cross multiply
    1,495,384.40x = 2,239,917.60 × 990,187.40
  4. Step 4: Simplify right side
    1,495,384.40x = 2,217,938,184,558.24
  5. Step 5: Solve for x
    x = 2,217,938,184,558.24/1,495,384.40
  6. Step 6: Final answer
    x = 1,483,189.33

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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.