Home / 1,020,532.32-1,528,611.48-830,088.72

Finding the Fourth Proportional to 1,020,532.32, 1,528,611.48 and 830,088.72

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Solution

The fourth proportional to 1,020,532.32, 1,528,611.48 and 830,088.72 is: 1,243,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,532.32 : 1,528,611.48 = 830,088.72 : x
  2. Step 2: Convert to fraction form
    1,020,532.32/1,528,611.48 = 830,088.72/x
  3. Step 3: Cross multiply
    1,020,532.32x = 1,528,611.48 × 830,088.72
  4. Step 4: Simplify right side
    1,020,532.32x = 1,268,883,146,810.51
  5. Step 5: Solve for x
    x = 1,268,883,146,810.51/1,020,532.32
  6. Step 6: Final answer
    x = 1,243,354.20

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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.