Home / 1,875,430.72-2,588,085.84-1,015,988.32

Finding the Fourth Proportional to 1,875,430.72, 2,588,085.84 and 1,015,988.32

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Solution

The fourth proportional to 1,875,430.72, 2,588,085.84 and 1,015,988.32 is: 1,402,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,430.72 : 2,588,085.84 = 1,015,988.32 : x
  2. Step 2: Convert to fraction form
    1,875,430.72/2,588,085.84 = 1,015,988.32/x
  3. Step 3: Cross multiply
    1,875,430.72x = 2,588,085.84 × 1,015,988.32
  4. Step 4: Simplify right side
    1,875,430.72x = 2,629,464,984,597.39
  5. Step 5: Solve for x
    x = 2,629,464,984,597.39/1,875,430.72
  6. Step 6: Final answer
    x = 1,402,059.25

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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.