Home / 1,037,345.32-1,556,280.38-289,390.76

Finding the Fourth Proportional to 1,037,345.32, 1,556,280.38 and 289,390.76

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Solution

The fourth proportional to 1,037,345.32, 1,556,280.38 and 289,390.76 is: 434,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,345.32 : 1,556,280.38 = 289,390.76 : x
  2. Step 2: Convert to fraction form
    1,037,345.32/1,556,280.38 = 289,390.76/x
  3. Step 3: Cross multiply
    1,037,345.32x = 1,556,280.38 × 289,390.76
  4. Step 4: Simplify right side
    1,037,345.32x = 450,373,161,941.29
  5. Step 5: Solve for x
    x = 450,373,161,941.29/1,037,345.32
  6. Step 6: Final answer
    x = 434,159.34

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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.