Home / 1,495,381.40-2,239,913.10-990,184.40

Finding the Fourth Proportional to 1,495,381.40, 2,239,913.10 and 990,184.40

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Solution

The fourth proportional to 1,495,381.40, 2,239,913.10 and 990,184.40 is: 1,483,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,381.40 : 2,239,913.10 = 990,184.40 : x
  2. Step 2: Convert to fraction form
    1,495,381.40/2,239,913.10 = 990,184.40/x
  3. Step 3: Cross multiply
    1,495,381.40x = 2,239,913.10 × 990,184.40
  4. Step 4: Simplify right side
    1,495,381.40x = 2,217,927,008,975.64
  5. Step 5: Solve for x
    x = 2,217,927,008,975.64/1,495,381.40
  6. Step 6: Final answer
    x = 1,483,184.83

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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.