Home / 1,130,461.60-1,695,692.40-978,246.40

Finding the Fourth Proportional to 1,130,461.60, 1,695,692.40 and 978,246.40

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Solution

The fourth proportional to 1,130,461.60, 1,695,692.40 and 978,246.40 is: 1,467,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,461.60 : 1,695,692.40 = 978,246.40 : x
  2. Step 2: Convert to fraction form
    1,130,461.60/1,695,692.40 = 978,246.40/x
  3. Step 3: Cross multiply
    1,130,461.60x = 1,695,692.40 × 978,246.40
  4. Step 4: Simplify right side
    1,130,461.60x = 1,658,804,985,807.36
  5. Step 5: Solve for x
    x = 1,658,804,985,807.36/1,130,461.60
  6. Step 6: Final answer
    x = 1,467,369.60

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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.