Home / 1,423,386.40-2,135,081-581,938.16

Finding the Fourth Proportional to 1,423,386.40, 2,135,081 and 581,938.16

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Solution

The fourth proportional to 1,423,386.40, 2,135,081 and 581,938.16 is: 872,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,386.40 : 2,135,081 = 581,938.16 : x
  2. Step 2: Convert to fraction form
    1,423,386.40/2,135,081 = 581,938.16/x
  3. Step 3: Cross multiply
    1,423,386.40x = 2,135,081 × 581,938.16
  4. Step 4: Simplify right side
    1,423,386.40x = 1,242,485,108,590.96
  5. Step 5: Solve for x
    x = 1,242,485,108,590.96/1,423,386.40
  6. Step 6: Final answer
    x = 872,907.81

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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.