Home / 1,069,199.64-1,603,605.66-429,477.60

Finding the Fourth Proportional to 1,069,199.64, 1,603,605.66 and 429,477.60

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Solution

The fourth proportional to 1,069,199.64, 1,603,605.66 and 429,477.60 is: 644,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,199.64 : 1,603,605.66 = 429,477.60 : x
  2. Step 2: Convert to fraction form
    1,069,199.64/1,603,605.66 = 429,477.60/x
  3. Step 3: Cross multiply
    1,069,199.64x = 1,603,605.66 × 429,477.60
  4. Step 4: Simplify right side
    1,069,199.64x = 688,712,710,203.22
  5. Step 5: Solve for x
    x = 688,712,710,203.22/1,069,199.64
  6. Step 6: Final answer
    x = 644,138.55

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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.