Home / 1,690,138.48-2,533,501.80-1,059,495.16

Finding the Fourth Proportional to 1,690,138.48, 2,533,501.80 and 1,059,495.16

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Solution

The fourth proportional to 1,690,138.48, 2,533,501.80 and 1,059,495.16 is: 1,588,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,138.48 : 2,533,501.80 = 1,059,495.16 : x
  2. Step 2: Convert to fraction form
    1,690,138.48/2,533,501.80 = 1,059,495.16/x
  3. Step 3: Cross multiply
    1,690,138.48x = 2,533,501.80 × 1,059,495.16
  4. Step 4: Simplify right side
    1,690,138.48x = 2,684,232,894,951.29
  5. Step 5: Solve for x
    x = 2,684,232,894,951.29/1,690,138.48
  6. Step 6: Final answer
    x = 1,588,173.35

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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.