Home / 1,343,382.08-1,851,908.81-1,020,531.69

Finding the Fourth Proportional to 1,343,382.08, 1,851,908.81 and 1,020,531.69

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Solution

The fourth proportional to 1,343,382.08, 1,851,908.81 and 1,020,531.69 is: 1,406,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,382.08 : 1,851,908.81 = 1,020,531.69 : x
  2. Step 2: Convert to fraction form
    1,343,382.08/1,851,908.81 = 1,020,531.69/x
  3. Step 3: Cross multiply
    1,343,382.08x = 1,851,908.81 × 1,020,531.69
  4. Step 4: Simplify right side
    1,343,382.08x = 1,889,931,622,492.53
  5. Step 5: Solve for x
    x = 1,889,931,622,492.53/1,343,382.08
  6. Step 6: Final answer
    x = 1,406,845.94

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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.