Home / 1,262,423.72-1,742,155.86-718,594.52

Finding the Fourth Proportional to 1,262,423.72, 1,742,155.86 and 718,594.52

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Solution

The fourth proportional to 1,262,423.72, 1,742,155.86 and 718,594.52 is: 991,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,423.72 : 1,742,155.86 = 718,594.52 : x
  2. Step 2: Convert to fraction form
    1,262,423.72/1,742,155.86 = 718,594.52/x
  3. Step 3: Cross multiply
    1,262,423.72x = 1,742,155.86 × 718,594.52
  4. Step 4: Simplify right side
    1,262,423.72x = 1,251,903,645,271.11
  5. Step 5: Solve for x
    x = 1,251,903,645,271.11/1,262,423.72
  6. Step 6: Final answer
    x = 991,666.77

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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.