Home / 1,495,383.40-2,239,916.10-990,186.40

Finding the Fourth Proportional to 1,495,383.40, 2,239,916.10 and 990,186.40

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Solution

The fourth proportional to 1,495,383.40, 2,239,916.10 and 990,186.40 is: 1,483,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,383.40 : 2,239,916.10 = 990,186.40 : x
  2. Step 2: Convert to fraction form
    1,495,383.40/2,239,916.10 = 990,186.40/x
  3. Step 3: Cross multiply
    1,495,383.40x = 2,239,916.10 × 990,186.40
  4. Step 4: Simplify right side
    1,495,383.40x = 2,217,934,459,361.04
  5. Step 5: Solve for x
    x = 2,217,934,459,361.04/1,495,383.40
  6. Step 6: Final answer
    x = 1,483,187.83

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1.5x scale

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.