Home / 1,145,470.02-1,580,697.46-686,837.74

Finding the Fourth Proportional to 1,145,470.02, 1,580,697.46 and 686,837.74

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Solution

The fourth proportional to 1,145,470.02, 1,580,697.46 and 686,837.74 is: 947,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,470.02 : 1,580,697.46 = 686,837.74 : x
  2. Step 2: Convert to fraction form
    1,145,470.02/1,580,697.46 = 686,837.74/x
  3. Step 3: Cross multiply
    1,145,470.02x = 1,580,697.46 × 686,837.74
  4. Step 4: Simplify right side
    1,145,470.02x = 1,085,682,671,050.14
  5. Step 5: Solve for x
    x = 1,085,682,671,050.14/1,145,470.02
  6. Step 6: Final answer
    x = 947,805.40

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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.