Home / 1,240,802.65-1,861,333.35-342,244.54

Finding the Fourth Proportional to 1,240,802.65, 1,861,333.35 and 342,244.54

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Solution

The fourth proportional to 1,240,802.65, 1,861,333.35 and 342,244.54 is: 513,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,802.65 : 1,861,333.35 = 342,244.54 : x
  2. Step 2: Convert to fraction form
    1,240,802.65/1,861,333.35 = 342,244.54/x
  3. Step 3: Cross multiply
    1,240,802.65x = 1,861,333.35 × 342,244.54
  4. Step 4: Simplify right side
    1,240,802.65x = 637,031,176,157.41
  5. Step 5: Solve for x
    x = 637,031,176,157.41/1,240,802.65
  6. Step 6: Final answer
    x = 513,402.49

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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.