Home / 867,287.70-1,300,931.55-804,302.10

Finding the Fourth Proportional to 867,287.70, 1,300,931.55 and 804,302.10

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Solution

The fourth proportional to 867,287.70, 1,300,931.55 and 804,302.10 is: 1,206,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,287.70 : 1,300,931.55 = 804,302.10 : x
  2. Step 2: Convert to fraction form
    867,287.70/1,300,931.55 = 804,302.10/x
  3. Step 3: Cross multiply
    867,287.70x = 1,300,931.55 × 804,302.10
  4. Step 4: Simplify right side
    867,287.70x = 1,046,341,977,621.26
  5. Step 5: Solve for x
    x = 1,046,341,977,621.26/867,287.70
  6. Step 6: Final answer
    x = 1,206,453.15

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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.