Home / 1,617,692.40-2,426,538.60-1,113,807.60

Finding the Fourth Proportional to 1,617,692.40, 2,426,538.60 and 1,113,807.60

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Solution

The fourth proportional to 1,617,692.40, 2,426,538.60 and 1,113,807.60 is: 1,670,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,692.40 : 2,426,538.60 = 1,113,807.60 : x
  2. Step 2: Convert to fraction form
    1,617,692.40/2,426,538.60 = 1,113,807.60/x
  3. Step 3: Cross multiply
    1,617,692.40x = 2,426,538.60 × 1,113,807.60
  4. Step 4: Simplify right side
    1,617,692.40x = 2,702,697,134,373.36
  5. Step 5: Solve for x
    x = 2,702,697,134,373.36/1,617,692.40
  6. Step 6: Final answer
    x = 1,670,711.40

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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.