Home / 1,036,985.80-1,555,478.70-289,031.80

Finding the Fourth Proportional to 1,036,985.80, 1,555,478.70 and 289,031.80

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Solution

The fourth proportional to 1,036,985.80, 1,555,478.70 and 289,031.80 is: 433,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,985.80 : 1,555,478.70 = 289,031.80 : x
  2. Step 2: Convert to fraction form
    1,036,985.80/1,555,478.70 = 289,031.80/x
  3. Step 3: Cross multiply
    1,036,985.80x = 1,555,478.70 × 289,031.80
  4. Step 4: Simplify right side
    1,036,985.80x = 449,582,808,522.66
  5. Step 5: Solve for x
    x = 449,582,808,522.66/1,036,985.80
  6. Step 6: Final answer
    x = 433,547.70

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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.