Home / 1,323,583.98-1,985,188.52-424,907.40

Finding the Fourth Proportional to 1,323,583.98, 1,985,188.52 and 424,907.40

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Solution

The fourth proportional to 1,323,583.98, 1,985,188.52 and 424,907.40 is: 637,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,583.98 : 1,985,188.52 = 424,907.40 : x
  2. Step 2: Convert to fraction form
    1,323,583.98/1,985,188.52 = 424,907.40/x
  3. Step 3: Cross multiply
    1,323,583.98x = 1,985,188.52 × 424,907.40
  4. Step 4: Simplify right side
    1,323,583.98x = 843,521,292,543.05
  5. Step 5: Solve for x
    x = 843,521,292,543.05/1,323,583.98
  6. Step 6: Final answer
    x = 637,300.92

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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.