Home / 1,595,580.90-2,201,898.43-870,428.35

Finding the Fourth Proportional to 1,595,580.90, 2,201,898.43 and 870,428.35

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Solution

The fourth proportional to 1,595,580.90, 2,201,898.43 and 870,428.35 is: 1,201,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,580.90 : 2,201,898.43 = 870,428.35 : x
  2. Step 2: Convert to fraction form
    1,595,580.90/2,201,898.43 = 870,428.35/x
  3. Step 3: Cross multiply
    1,595,580.90x = 2,201,898.43 × 870,428.35
  4. Step 4: Simplify right side
    1,595,580.90x = 1,916,594,817,292.49
  5. Step 5: Solve for x
    x = 1,916,594,817,292.49/1,595,580.90
  6. Step 6: Final answer
    x = 1,201,189.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.