Home / 1,550,361.93-2,139,018.60-905,316.81

Finding the Fourth Proportional to 1,550,361.93, 2,139,018.60 and 905,316.81

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Solution

The fourth proportional to 1,550,361.93, 2,139,018.60 and 905,316.81 is: 1,249,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,361.93 : 2,139,018.60 = 905,316.81 : x
  2. Step 2: Convert to fraction form
    1,550,361.93/2,139,018.60 = 905,316.81/x
  3. Step 3: Cross multiply
    1,550,361.93x = 2,139,018.60 × 905,316.81
  4. Step 4: Simplify right side
    1,550,361.93x = 1,936,489,495,482.67
  5. Step 5: Solve for x
    x = 1,936,489,495,482.67/1,550,361.93
  6. Step 6: Final answer
    x = 1,249,056.40

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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.