Home / 1,437,032.80-2,152,892.40-838,280.80

Finding the Fourth Proportional to 1,437,032.80, 2,152,892.40 and 838,280.80

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Solution

The fourth proportional to 1,437,032.80, 2,152,892.40 and 838,280.80 is: 1,255,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,032.80 : 2,152,892.40 = 838,280.80 : x
  2. Step 2: Convert to fraction form
    1,437,032.80/2,152,892.40 = 838,280.80/x
  3. Step 3: Cross multiply
    1,437,032.80x = 2,152,892.40 × 838,280.80
  4. Step 4: Simplify right side
    1,437,032.80x = 1,804,728,363,385.92
  5. Step 5: Solve for x
    x = 1,804,728,363,385.92/1,437,032.80
  6. Step 6: Final answer
    x = 1,255,871.38

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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.