Home / 1,009,205.63-1,513,808.45-410,492.51

Finding the Fourth Proportional to 1,009,205.63, 1,513,808.45 and 410,492.51

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Solution

The fourth proportional to 1,009,205.63, 1,513,808.45 and 410,492.51 is: 615,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,205.63 : 1,513,808.45 = 410,492.51 : x
  2. Step 2: Convert to fraction form
    1,009,205.63/1,513,808.45 = 410,492.51/x
  3. Step 3: Cross multiply
    1,009,205.63x = 1,513,808.45 × 410,492.51
  4. Step 4: Simplify right side
    1,009,205.63x = 621,407,020,678.21
  5. Step 5: Solve for x
    x = 621,407,020,678.21/1,009,205.63
  6. Step 6: Final answer
    x = 615,738.76

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Double scale
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1.5x scale

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.