Home / 1,054,685.72-1,455,465.66-571,250.72

Finding the Fourth Proportional to 1,054,685.72, 1,455,465.66 and 571,250.72

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Solution

The fourth proportional to 1,054,685.72, 1,455,465.66 and 571,250.72 is: 788,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,685.72 : 1,455,465.66 = 571,250.72 : x
  2. Step 2: Convert to fraction form
    1,054,685.72/1,455,465.66 = 571,250.72/x
  3. Step 3: Cross multiply
    1,054,685.72x = 1,455,465.66 × 571,250.72
  4. Step 4: Simplify right side
    1,054,685.72x = 831,435,806,210.28
  5. Step 5: Solve for x
    x = 831,435,806,210.28/1,054,685.72
  6. Step 6: Final answer
    x = 788,325.65

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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.