Home / 1,001,804.80-1,502,707.20-402,457.45

Finding the Fourth Proportional to 1,001,804.80, 1,502,707.20 and 402,457.45

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Solution

The fourth proportional to 1,001,804.80, 1,502,707.20 and 402,457.45 is: 603,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,804.80 : 1,502,707.20 = 402,457.45 : x
  2. Step 2: Convert to fraction form
    1,001,804.80/1,502,707.20 = 402,457.45/x
  3. Step 3: Cross multiply
    1,001,804.80x = 1,502,707.20 × 402,457.45
  4. Step 4: Simplify right side
    1,001,804.80x = 604,775,707,808.64
  5. Step 5: Solve for x
    x = 604,775,707,808.64/1,001,804.80
  6. Step 6: Final answer
    x = 603,686.18

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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.