Home / 867,292.83-1,298,109.77-784,427.40

Finding the Fourth Proportional to 867,292.83, 1,298,109.77 and 784,427.40

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Solution

The fourth proportional to 867,292.83, 1,298,109.77 and 784,427.40 is: 1,174,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,292.83 : 1,298,109.77 = 784,427.40 : x
  2. Step 2: Convert to fraction form
    867,292.83/1,298,109.77 = 784,427.40/x
  3. Step 3: Cross multiply
    867,292.83x = 1,298,109.77 × 784,427.40
  4. Step 4: Simplify right side
    867,292.83x = 1,018,272,871,795.70
  5. Step 5: Solve for x
    x = 1,018,272,871,795.70/867,292.83
  6. Step 6: Final answer
    x = 1,174,081.97

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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.