Home / 1,137,518.51-1,570,485.51-724,288.50

Finding the Fourth Proportional to 1,137,518.51, 1,570,485.51 and 724,288.50

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Solution

The fourth proportional to 1,137,518.51, 1,570,485.51 and 724,288.50 is: 999,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,518.51 : 1,570,485.51 = 724,288.50 : x
  2. Step 2: Convert to fraction form
    1,137,518.51/1,570,485.51 = 724,288.50/x
  3. Step 3: Cross multiply
    1,137,518.51x = 1,570,485.51 × 724,288.50
  4. Step 4: Simplify right side
    1,137,518.51x = 1,137,484,594,309.64
  5. Step 5: Solve for x
    x = 1,137,484,594,309.64/1,137,518.51
  6. Step 6: Final answer
    x = 999,970.19

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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.