Home / 1,013,212.15-1,398,243.07-554,316.67

Finding the Fourth Proportional to 1,013,212.15, 1,398,243.07 and 554,316.67

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Solution

The fourth proportional to 1,013,212.15, 1,398,243.07 and 554,316.67 is: 764,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,212.15 : 1,398,243.07 = 554,316.67 : x
  2. Step 2: Convert to fraction form
    1,013,212.15/1,398,243.07 = 554,316.67/x
  3. Step 3: Cross multiply
    1,013,212.15x = 1,398,243.07 × 554,316.67
  4. Step 4: Simplify right side
    1,013,212.15x = 775,069,442,412.98
  5. Step 5: Solve for x
    x = 775,069,442,412.98/1,013,212.15
  6. Step 6: Final answer
    x = 764,962.64

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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.