Home / 1,402,718.16-1,935,712.35-790,865.58

Finding the Fourth Proportional to 1,402,718.16, 1,935,712.35 and 790,865.58

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Solution

The fourth proportional to 1,402,718.16, 1,935,712.35 and 790,865.58 is: 1,091,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,718.16 : 1,935,712.35 = 790,865.58 : x
  2. Step 2: Convert to fraction form
    1,402,718.16/1,935,712.35 = 790,865.58/x
  3. Step 3: Cross multiply
    1,402,718.16x = 1,935,712.35 × 790,865.58
  4. Step 4: Simplify right side
    1,402,718.16x = 1,530,888,270,395.91
  5. Step 5: Solve for x
    x = 1,530,888,270,395.91/1,402,718.16
  6. Step 6: Final answer
    x = 1,091,372.67

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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.