Home / 1,122,318.10-1,683,149.10-402,576.40

Finding the Fourth Proportional to 1,122,318.10, 1,683,149.10 and 402,576.40

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Solution

The fourth proportional to 1,122,318.10, 1,683,149.10 and 402,576.40 is: 603,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,318.10 : 1,683,149.10 = 402,576.40 : x
  2. Step 2: Convert to fraction form
    1,122,318.10/1,683,149.10 = 402,576.40/x
  3. Step 3: Cross multiply
    1,122,318.10x = 1,683,149.10 × 402,576.40
  4. Step 4: Simplify right side
    1,122,318.10x = 677,596,105,341.24
  5. Step 5: Solve for x
    x = 677,596,105,341.24/1,122,318.10
  6. Step 6: Final answer
    x = 603,746.93

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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.