Home / 1,095,925.90-1,642,722.45-421,746.70

Finding the Fourth Proportional to 1,095,925.90, 1,642,722.45 and 421,746.70

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Solution

The fourth proportional to 1,095,925.90, 1,642,722.45 and 421,746.70 is: 632,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,925.90 : 1,642,722.45 = 421,746.70 : x
  2. Step 2: Convert to fraction form
    1,095,925.90/1,642,722.45 = 421,746.70/x
  3. Step 3: Cross multiply
    1,095,925.90x = 1,642,722.45 × 421,746.70
  4. Step 4: Simplify right side
    1,095,925.90x = 692,812,772,303.42
  5. Step 5: Solve for x
    x = 692,812,772,303.42/1,095,925.90
  6. Step 6: Final answer
    x = 632,171.18

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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.