Home / 1,316,187.49-1,816,350.74-772,332.34

Finding the Fourth Proportional to 1,316,187.49, 1,816,350.74 and 772,332.34

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Solution

The fourth proportional to 1,316,187.49, 1,816,350.74 and 772,332.34 is: 1,065,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,187.49 : 1,816,350.74 = 772,332.34 : x
  2. Step 2: Convert to fraction form
    1,316,187.49/1,816,350.74 = 772,332.34/x
  3. Step 3: Cross multiply
    1,316,187.49x = 1,816,350.74 × 772,332.34
  4. Step 4: Simplify right side
    1,316,187.49x = 1,402,826,417,284.93
  5. Step 5: Solve for x
    x = 1,402,826,417,284.93/1,316,187.49
  6. Step 6: Final answer
    x = 1,065,825.67

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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.