Home / 1,262,547.95-1,742,325.19-689,587.97

Finding the Fourth Proportional to 1,262,547.95, 1,742,325.19 and 689,587.97

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Solution

The fourth proportional to 1,262,547.95, 1,742,325.19 and 689,587.97 is: 951,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,547.95 : 1,742,325.19 = 689,587.97 : x
  2. Step 2: Convert to fraction form
    1,262,547.95/1,742,325.19 = 689,587.97/x
  3. Step 3: Cross multiply
    1,262,547.95x = 1,742,325.19 × 689,587.97
  4. Step 4: Simplify right side
    1,262,547.95x = 1,201,486,480,416.37
  5. Step 5: Solve for x
    x = 1,201,486,480,416.37/1,262,547.95
  6. Step 6: Final answer
    x = 951,636.32

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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.