Home / 1,038,421.02-1,433,039.68-609,010.86

Finding the Fourth Proportional to 1,038,421.02, 1,433,039.68 and 609,010.86

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Solution

The fourth proportional to 1,038,421.02, 1,433,039.68 and 609,010.86 is: 840,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,421.02 : 1,433,039.68 = 609,010.86 : x
  2. Step 2: Convert to fraction form
    1,038,421.02/1,433,039.68 = 609,010.86/x
  3. Step 3: Cross multiply
    1,038,421.02x = 1,433,039.68 × 609,010.86
  4. Step 4: Simplify right side
    1,038,421.02x = 872,736,727,930.93
  5. Step 5: Solve for x
    x = 872,736,727,930.93/1,038,421.02
  6. Step 6: Final answer
    x = 840,445.94

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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.