Home / 1,039,000.20-1,554,955.53-870,710.55

Finding the Fourth Proportional to 1,039,000.20, 1,554,955.53 and 870,710.55

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Solution

The fourth proportional to 1,039,000.20, 1,554,955.53 and 870,710.55 is: 1,303,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,000.20 : 1,554,955.53 = 870,710.55 : x
  2. Step 2: Convert to fraction form
    1,039,000.20/1,554,955.53 = 870,710.55/x
  3. Step 3: Cross multiply
    1,039,000.20x = 1,554,955.53 × 870,710.55
  4. Step 4: Simplify right side
    1,039,000.20x = 1,353,916,184,751.84
  5. Step 5: Solve for x
    x = 1,353,916,184,751.84/1,039,000.20
  6. Step 6: Final answer
    x = 1,303,095.21

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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.