Home / 1,029,210.87-1,420,319.33-570,333.10

Finding the Fourth Proportional to 1,029,210.87, 1,420,319.33 and 570,333.10

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Solution

The fourth proportional to 1,029,210.87, 1,420,319.33 and 570,333.10 is: 787,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,210.87 : 1,420,319.33 = 570,333.10 : x
  2. Step 2: Convert to fraction form
    1,029,210.87/1,420,319.33 = 570,333.10/x
  3. Step 3: Cross multiply
    1,029,210.87x = 1,420,319.33 × 570,333.10
  4. Step 4: Simplify right side
    1,029,210.87x = 810,055,133,402.53
  5. Step 5: Solve for x
    x = 810,055,133,402.53/1,029,210.87
  6. Step 6: Final answer
    x = 787,064.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.