Home / 1,402,710.35-1,935,701.55-790,857.81

Finding the Fourth Proportional to 1,402,710.35, 1,935,701.55 and 790,857.81

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Solution

The fourth proportional to 1,402,710.35, 1,935,701.55 and 790,857.81 is: 1,091,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,710.35 : 1,935,701.55 = 790,857.81 : x
  2. Step 2: Convert to fraction form
    1,402,710.35/1,935,701.55 = 790,857.81/x
  3. Step 3: Cross multiply
    1,402,710.35x = 1,935,701.55 × 790,857.81
  4. Step 4: Simplify right side
    1,402,710.35x = 1,530,864,688,646.61
  5. Step 5: Solve for x
    x = 1,530,864,688,646.61/1,402,710.35
  6. Step 6: Final answer
    x = 1,091,361.94

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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.