Home / 1,145,473.02-1,580,701.60-686,840.74

Finding the Fourth Proportional to 1,145,473.02, 1,580,701.60 and 686,840.74

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Solution

The fourth proportional to 1,145,473.02, 1,580,701.60 and 686,840.74 is: 947,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,473.02 : 1,580,701.60 = 686,840.74 : x
  2. Step 2: Convert to fraction form
    1,145,473.02/1,580,701.60 = 686,840.74/x
  3. Step 3: Cross multiply
    1,145,473.02x = 1,580,701.60 × 686,840.74
  4. Step 4: Simplify right side
    1,145,473.02x = 1,085,690,256,663.18
  5. Step 5: Solve for x
    x = 1,085,690,256,663.18/1,145,473.02
  6. Step 6: Final answer
    x = 947,809.54

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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.