Home / 1,256,656.40-1,880,837.40-974,646.80

Finding the Fourth Proportional to 1,256,656.40, 1,880,837.40 and 974,646.80

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Solution

The fourth proportional to 1,256,656.40, 1,880,837.40 and 974,646.80 is: 1,458,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,656.40 : 1,880,837.40 = 974,646.80 : x
  2. Step 2: Convert to fraction form
    1,256,656.40/1,880,837.40 = 974,646.80/x
  3. Step 3: Cross multiply
    1,256,656.40x = 1,880,837.40 × 974,646.80
  4. Step 4: Simplify right side
    1,256,656.40x = 1,833,152,153,230.32
  5. Step 5: Solve for x
    x = 1,833,152,153,230.32/1,256,656.40
  6. Step 6: Final answer
    x = 1,458,753.68

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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.