Home / 1,012,210.80-1,517,878.80-506,576.40

Finding the Fourth Proportional to 1,012,210.80, 1,517,878.80 and 506,576.40

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Solution

The fourth proportional to 1,012,210.80, 1,517,878.80 and 506,576.40 is: 759,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,210.80 : 1,517,878.80 = 506,576.40 : x
  2. Step 2: Convert to fraction form
    1,012,210.80/1,517,878.80 = 506,576.40/x
  3. Step 3: Cross multiply
    1,012,210.80x = 1,517,878.80 × 506,576.40
  4. Step 4: Simplify right side
    1,012,210.80x = 768,921,578,140.32
  5. Step 5: Solve for x
    x = 768,921,578,140.32/1,012,210.80
  6. Step 6: Final answer
    x = 759,645.70

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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.