Home / 1,343,140.40-2,014,710.60-1,264,343.60

Finding the Fourth Proportional to 1,343,140.40, 2,014,710.60 and 1,264,343.60

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Solution

The fourth proportional to 1,343,140.40, 2,014,710.60 and 1,264,343.60 is: 1,896,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,140.40 : 2,014,710.60 = 1,264,343.60 : x
  2. Step 2: Convert to fraction form
    1,343,140.40/2,014,710.60 = 1,264,343.60/x
  3. Step 3: Cross multiply
    1,343,140.40x = 2,014,710.60 × 1,264,343.60
  4. Step 4: Simplify right side
    1,343,140.40x = 2,547,286,452,962.16
  5. Step 5: Solve for x
    x = 2,547,286,452,962.16/1,343,140.40
  6. Step 6: Final answer
    x = 1,896,515.40

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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.