Home / 1,402,332.27-2,101,837.63-643,534.14

Finding the Fourth Proportional to 1,402,332.27, 2,101,837.63 and 643,534.14

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Solution

The fourth proportional to 1,402,332.27, 2,101,837.63 and 643,534.14 is: 964,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,332.27 : 2,101,837.63 = 643,534.14 : x
  2. Step 2: Convert to fraction form
    1,402,332.27/2,101,837.63 = 643,534.14/x
  3. Step 3: Cross multiply
    1,402,332.27x = 2,101,837.63 × 643,534.14
  4. Step 4: Simplify right side
    1,402,332.27x = 1,352,604,271,641.69
  5. Step 5: Solve for x
    x = 1,352,604,271,641.69/1,402,332.27
  6. Step 6: Final answer
    x = 964,539.08

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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.