Home / 1,920,460.32-2,880,692.64-500,515.20

Finding the Fourth Proportional to 1,920,460.32, 2,880,692.64 and 500,515.20

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Solution

The fourth proportional to 1,920,460.32, 2,880,692.64 and 500,515.20 is: 750,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,460.32 : 2,880,692.64 = 500,515.20 : x
  2. Step 2: Convert to fraction form
    1,920,460.32/2,880,692.64 = 500,515.20/x
  3. Step 3: Cross multiply
    1,920,460.32x = 2,880,692.64 × 500,515.20
  4. Step 4: Simplify right side
    1,920,460.32x = 1,441,830,452,848.13
  5. Step 5: Solve for x
    x = 1,441,830,452,848.13/1,920,460.32
  6. Step 6: Final answer
    x = 750,773.36

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1.5x scale

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.