Home / 1,816,368.40-2,506,785.30-1,000,655.67

Finding the Fourth Proportional to 1,816,368.40, 2,506,785.30 and 1,000,655.67

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Solution

The fourth proportional to 1,816,368.40, 2,506,785.30 and 1,000,655.67 is: 1,381,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,368.40 : 2,506,785.30 = 1,000,655.67 : x
  2. Step 2: Convert to fraction form
    1,816,368.40/2,506,785.30 = 1,000,655.67/x
  3. Step 3: Cross multiply
    1,816,368.40x = 2,506,785.30 × 1,000,655.67
  4. Step 4: Simplify right side
    1,816,368.40x = 2,508,428,923,917.65
  5. Step 5: Solve for x
    x = 2,508,428,923,917.65/1,816,368.40
  6. Step 6: Final answer
    x = 1,381,013.31

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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.