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Finding the Fourth Proportional to 883,502.60, 1,323,285.60 and 726,038.60

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Solution

The fourth proportional to 883,502.60, 1,323,285.60 and 726,038.60 is: 1,087,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,502.60 : 1,323,285.60 = 726,038.60 : x
  2. Step 2: Convert to fraction form
    883,502.60/1,323,285.60 = 726,038.60/x
  3. Step 3: Cross multiply
    883,502.60x = 1,323,285.60 × 726,038.60
  4. Step 4: Simplify right side
    883,502.60x = 960,756,424,424.16
  5. Step 5: Solve for x
    x = 960,756,424,424.16/883,502.60
  6. Step 6: Final answer
    x = 1,087,440.40

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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.